Index: public/css/custom.css
===================================================================
--- public/css/custom.css	(revision 632f9bc919d89e13a96ec064ca7391b28b4096cc)
+++ public/css/custom.css	(revision 632f9bc919d89e13a96ec064ca7391b28b4096cc)
@@ -0,0 +1,139 @@
+body {
+    padding: 1em;
+}
+
+article {
+    max-width: calc(80ch + 4em);
+    border-radius: 0.em;
+    margin: 0 var(--universal-padding);
+    padding: 1em;
+    background: #fefefe;
+    box-shadow: 0 1px 3px rgba(0,0,0,.1);
+    position: relative;
+}
+
+article h1:first-child,
+article h2:first-child,
+article h3:first-child,
+article h4:first-child,
+article h5:first-child,
+article h6:first-child {
+    margin-top: 0;
+    padding: 0;
+}
+
+.navbar {
+    background: #fefefe;
+    border: 0;
+}
+
+.navbar .button {
+    background: #fefefe;
+    text-transform: none;
+}
+
+/* 16:9 */
+.video {
+    padding-top: 56.25%;
+    position: relative;
+    width: calc(100% - 1em);
+}
+
+iframe {
+    width: 100%;
+    height: 100%;
+    position:  absolute;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    right: 0;
+}
+
+.cover {
+    margin: 0.5em 0;
+    border: 1px solid rgba(0,0,0,.3);
+    border-radius: 0.1em;
+}
+
+#youmu {
+    position: relative;
+    top: 1em;
+    max-width: 100%;
+}
+
+#preamble {
+    margin: var(--universal-margin);
+    box-shadow: 0 1px 3px rgba(0,0,0,.1);
+}
+
+#postamble {
+    margin: var(--universal-margin);
+    max-width: calc(80ch + 6em);
+}
+
+hr {
+    background: rgba(0,0,0,.05) !important;
+    height: 0.5rem !important;
+    margin: 1px !important;
+}
+
+#table-of-contents {
+    z-index: 1050;
+    font-size: 9pt;
+    position: fixed;
+    right: calc(var(--universal-margin) + 0.5em);
+    top: 79px;
+    background: #fefefe;
+    line-height: 12pt;
+    box-shadow: 0 1px 3px rgba(0,0,0,.1);
+    max-height: 80%;
+    overflow: auto;
+}
+
+#table-of-contents * {
+    padding: none;
+}
+
+#table-of-contents h2 {
+    font-size: 13pt;
+    border: 0;
+    font-weight: 400;
+    padding: .05em .5em;
+}
+
+#text-table-of-contents ul {
+    margin: 0 1em;
+}
+
+#text-table-of-contents ul li {
+    font-size: 11pt;
+    width: 100%;
+}
+
+#table-of-contents #text-table-of-contents {
+    display: none;
+    text-align: left;
+}
+
+#table-of-contents:hover #text-table-of-contents {
+    display:block;
+    padding: none;
+    margin: 0;
+    padding: 0;
+}
+
+#table-of-contents li {
+    clear:both
+}
+
+.licenses {
+    margin-top: 0.75em !important;
+}
+
+.licenses a:not(:first-child) {
+    margin-left: 0.5em;
+}
+
+.inline li {
+    display: inline-flex;
+}
Index: public/css/mini.css
===================================================================
--- public/css/mini.css	(revision 632f9bc919d89e13a96ec064ca7391b28b4096cc)
+++ public/css/mini.css	(revision 632f9bc919d89e13a96ec064ca7391b28b4096cc)
@@ -0,0 +1,2170 @@
+@charset "UTF-8";
+/*
+  Flavor name: Default (mini-default)
+  Author: Angelos Chalaris (chalarangelo@gmail.com)
+  Maintainers: Angelos Chalaris
+  mini.css version: v3.0.1
+*/
+/*
+  Browsers resets and base typography.
+*/
+/* Core module CSS variable definitions */
+:root {
+  --fore-color: #111;
+  --secondary-fore-color: #444;
+  --back-color: #f8f8f8;
+  --secondary-back-color: #f0f0f0;
+  --blockquote-color: #f57c00;
+  --pre-color: #1565c0;
+  --border-color: #aaa;
+  --secondary-border-color: #ddd;
+  --heading-ratio: 1.19;
+  --universal-margin: 0.5rem;
+  --universal-padding: 0.5rem;
+  --universal-border-radius: 0.125rem;
+  --a-link-color: #0277bd;
+  --a-visited-color: #01579b;
+}
+
+html {
+  font-size: 16px;
+}
+
+a, b, del, em, i, ins, q, span, strong, u {
+  font-size: 1em;
+}
+
+html, * {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, sans-serif;
+  line-height: 1.5;
+  -webkit-text-size-adjust: 100%;
+}
+
+* {
+  font-size: 1rem;
+}
+
+body {
+  margin: 0;
+  color: var(--fore-color);
+  background: var(--back-color);
+}
+
+details {
+  display: block;
+}
+
+summary {
+  display: list-item;
+}
+
+abbr[title] {
+  border-bottom: none;
+  text-decoration: underline dotted;
+}
+
+input {
+  overflow: visible;
+}
+
+img {
+  max-width: 100%;
+  height: auto;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  line-height: 1.2;
+  margin: calc(1.5 * var(--universal-margin)) var(--universal-margin);
+  font-weight: 500;
+}
+
+h1 small, h2 small, h3 small, h4 small, h5 small, h6 small {
+  color: var(--secondary-fore-color);
+  display: block;
+  margin-top: -0.25rem;
+}
+
+h1 {
+  font-size: calc(1rem * var(--heading-ratio) * var(--heading-ratio) * var(--heading-ratio) * var(--heading-ratio));
+}
+
+h2 {
+  font-size: calc(1rem * var(--heading-ratio) * var(--heading-ratio) * var(--heading-ratio));
+}
+
+h3 {
+  font-size: calc(1rem * var(--heading-ratio) * var(--heading-ratio));
+}
+
+h4 {
+  font-size: calc(1rem * var(--heading-ratio));
+}
+
+h5 {
+  font-size: 1rem;
+}
+
+h6 {
+  font-size: calc(1rem / var(--heading-ratio));
+}
+
+p {
+  margin: var(--universal-margin);
+}
+
+ol, ul {
+  margin: var(--universal-margin);
+  padding-left: calc(2 * var(--universal-margin));
+}
+
+b, strong {
+  font-weight: 700;
+}
+
+hr {
+  box-sizing: content-box;
+  border: 0;
+  line-height: 1.25em;
+  margin: var(--universal-margin);
+  height: 0.0625rem;
+  background: linear-gradient(to right, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent);
+}
+
+blockquote {
+  display: block;
+  position: relative;
+  font-style: italic;
+  color: var(--secondary-fore-color);
+  margin: var(--universal-margin);
+  padding: calc(3 * var(--universal-padding));
+  border: 0.0625rem solid var(--secondary-border-color);
+  border-left: 0.375rem solid var(--blockquote-color);
+  border-radius: 0 var(--universal-border-radius) var(--universal-border-radius) 0;
+}
+
+blockquote:before {
+  position: absolute;
+  top: calc(0rem - var(--universal-padding));
+  left: 0;
+  font-family: sans-serif;
+  font-size: 3rem;
+  font-weight: 700;
+  content: "\201c";
+  color: var(--blockquote-color);
+}
+
+blockquote[cite]:after {
+  font-style: normal;
+  font-size: 0.75em;
+  font-weight: 700;
+  content: "\a—  " attr(cite);
+  white-space: pre;
+}
+
+code, kbd, pre, samp {
+  font-family: Menlo, Consolas, monospace;
+  font-size: 0.85em;
+}
+
+code {
+  background: var(--secondary-back-color);
+  border-radius: var(--universal-border-radius);
+  padding: calc(var(--universal-padding) / 4) calc(var(--universal-padding) / 2);
+}
+
+kbd {
+  background: var(--fore-color);
+  color: var(--back-color);
+  border-radius: var(--universal-border-radius);
+  padding: calc(var(--universal-padding) / 4) calc(var(--universal-padding) / 2);
+}
+
+pre {
+  overflow: auto;
+  background: var(--secondary-back-color);
+  padding: calc(1.5 * var(--universal-padding));
+  margin: var(--universal-margin);
+  border: 0.0625rem solid var(--secondary-border-color);
+  border-left: 0.25rem solid var(--pre-color);
+  border-radius: 0 var(--universal-border-radius) var(--universal-border-radius) 0;
+}
+
+sup, sub, code, kbd {
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+small, sup, sub, figcaption {
+  font-size: 0.75em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+figure {
+  margin: var(--universal-margin);
+}
+
+figcaption {
+  color: var(--secondary-fore-color);
+}
+
+a {
+  text-decoration: none;
+}
+
+a:link {
+  color: var(--a-link-color);
+}
+
+a:visited {
+  color: var(--a-visited-color);
+}
+
+a:hover, a:focus {
+  text-decoration: underline;
+}
+
+/*
+  Definitions for the grid system, cards and containers.
+*/
+.container {
+  margin: 0 auto;
+  padding: 0 calc(1.5 * var(--universal-padding));
+}
+
+.row {
+  box-sizing: border-box;
+  display: flex;
+  flex: 0 1 auto;
+  flex-flow: row wrap;
+}
+
+.col-sm,
+[class^='col-sm-'],
+[class^='col-sm-offset-'],
+.row[class*='cols-sm-'] > * {
+  box-sizing: border-box;
+  flex: 0 0 auto;
+  padding: 0 calc(var(--universal-padding) / 2);
+}
+
+.col-sm,
+.row.cols-sm > * {
+  max-width: 100%;
+  flex-grow: 1;
+  flex-basis: 0;
+}
+
+.col-sm-1,
+.row.cols-sm-1 > * {
+  max-width: 8.33333%;
+  flex-basis: 8.33333%;
+}
+
+.col-sm-offset-0 {
+  margin-left: 0;
+}
+
+.col-sm-2,
+.row.cols-sm-2 > * {
+  max-width: 16.66667%;
+  flex-basis: 16.66667%;
+}
+
+.col-sm-offset-1 {
+  margin-left: 8.33333%;
+}
+
+.col-sm-3,
+.row.cols-sm-3 > * {
+  max-width: 25%;
+  flex-basis: 25%;
+}
+
+.col-sm-offset-2 {
+  margin-left: 16.66667%;
+}
+
+.col-sm-4,
+.row.cols-sm-4 > * {
+  max-width: 33.33333%;
+  flex-basis: 33.33333%;
+}
+
+.col-sm-offset-3 {
+  margin-left: 25%;
+}
+
+.col-sm-5,
+.row.cols-sm-5 > * {
+  max-width: 41.66667%;
+  flex-basis: 41.66667%;
+}
+
+.col-sm-offset-4 {
+  margin-left: 33.33333%;
+}
+
+.col-sm-6,
+.row.cols-sm-6 > * {
+  max-width: 50%;
+  flex-basis: 50%;
+}
+
+.col-sm-offset-5 {
+  margin-left: 41.66667%;
+}
+
+.col-sm-7,
+.row.cols-sm-7 > * {
+  max-width: 58.33333%;
+  flex-basis: 58.33333%;
+}
+
+.col-sm-offset-6 {
+  margin-left: 50%;
+}
+
+.col-sm-8,
+.row.cols-sm-8 > * {
+  max-width: 66.66667%;
+  flex-basis: 66.66667%;
+}
+
+.col-sm-offset-7 {
+  margin-left: 58.33333%;
+}
+
+.col-sm-9,
+.row.cols-sm-9 > * {
+  max-width: 75%;
+  flex-basis: 75%;
+}
+
+.col-sm-offset-8 {
+  margin-left: 66.66667%;
+}
+
+.col-sm-10,
+.row.cols-sm-10 > * {
+  max-width: 83.33333%;
+  flex-basis: 83.33333%;
+}
+
+.col-sm-offset-9 {
+  margin-left: 75%;
+}
+
+.col-sm-11,
+.row.cols-sm-11 > * {
+  max-width: 91.66667%;
+  flex-basis: 91.66667%;
+}
+
+.col-sm-offset-10 {
+  margin-left: 83.33333%;
+}
+
+.col-sm-12,
+.row.cols-sm-12 > * {
+  max-width: 100%;
+  flex-basis: 100%;
+}
+
+.col-sm-offset-11 {
+  margin-left: 91.66667%;
+}
+
+.col-sm-normal {
+  order: initial;
+}
+
+.col-sm-first {
+  order: -999;
+}
+
+.col-sm-last {
+  order: 999;
+}
+
+@media screen and (min-width: 768px) {
+  .col-md,
+  [class^='col-md-'],
+  [class^='col-md-offset-'],
+  .row[class*='cols-md-'] > * {
+    box-sizing: border-box;
+    flex: 0 0 auto;
+    padding: 0 calc(var(--universal-padding) / 2);
+  }
+  .col-md,
+  .row.cols-md > * {
+    max-width: 100%;
+    flex-grow: 1;
+    flex-basis: 0;
+  }
+  .col-md-1,
+  .row.cols-md-1 > * {
+    max-width: 8.33333%;
+    flex-basis: 8.33333%;
+  }
+  .col-md-offset-0 {
+    margin-left: 0;
+  }
+  .col-md-2,
+  .row.cols-md-2 > * {
+    max-width: 16.66667%;
+    flex-basis: 16.66667%;
+  }
+  .col-md-offset-1 {
+    margin-left: 8.33333%;
+  }
+  .col-md-3,
+  .row.cols-md-3 > * {
+    max-width: 25%;
+    flex-basis: 25%;
+  }
+  .col-md-offset-2 {
+    margin-left: 16.66667%;
+  }
+  .col-md-4,
+  .row.cols-md-4 > * {
+    max-width: 33.33333%;
+    flex-basis: 33.33333%;
+  }
+  .col-md-offset-3 {
+    margin-left: 25%;
+  }
+  .col-md-5,
+  .row.cols-md-5 > * {
+    max-width: 41.66667%;
+    flex-basis: 41.66667%;
+  }
+  .col-md-offset-4 {
+    margin-left: 33.33333%;
+  }
+  .col-md-6,
+  .row.cols-md-6 > * {
+    max-width: 50%;
+    flex-basis: 50%;
+  }
+  .col-md-offset-5 {
+    margin-left: 41.66667%;
+  }
+  .col-md-7,
+  .row.cols-md-7 > * {
+    max-width: 58.33333%;
+    flex-basis: 58.33333%;
+  }
+  .col-md-offset-6 {
+    margin-left: 50%;
+  }
+  .col-md-8,
+  .row.cols-md-8 > * {
+    max-width: 66.66667%;
+    flex-basis: 66.66667%;
+  }
+  .col-md-offset-7 {
+    margin-left: 58.33333%;
+  }
+  .col-md-9,
+  .row.cols-md-9 > * {
+    max-width: 75%;
+    flex-basis: 75%;
+  }
+  .col-md-offset-8 {
+    margin-left: 66.66667%;
+  }
+  .col-md-10,
+  .row.cols-md-10 > * {
+    max-width: 83.33333%;
+    flex-basis: 83.33333%;
+  }
+  .col-md-offset-9 {
+    margin-left: 75%;
+  }
+  .col-md-11,
+  .row.cols-md-11 > * {
+    max-width: 91.66667%;
+    flex-basis: 91.66667%;
+  }
+  .col-md-offset-10 {
+    margin-left: 83.33333%;
+  }
+  .col-md-12,
+  .row.cols-md-12 > * {
+    max-width: 100%;
+    flex-basis: 100%;
+  }
+  .col-md-offset-11 {
+    margin-left: 91.66667%;
+  }
+  .col-md-normal {
+    order: initial;
+  }
+  .col-md-first {
+    order: -999;
+  }
+  .col-md-last {
+    order: 999;
+  }
+}
+
+@media screen and (min-width: 1280px) {
+  .col-lg,
+  [class^='col-lg-'],
+  [class^='col-lg-offset-'],
+  .row[class*='cols-lg-'] > * {
+    box-sizing: border-box;
+    flex: 0 0 auto;
+    padding: 0 calc(var(--universal-padding) / 2);
+  }
+  .col-lg,
+  .row.cols-lg > * {
+    max-width: 100%;
+    flex-grow: 1;
+    flex-basis: 0;
+  }
+  .col-lg-1,
+  .row.cols-lg-1 > * {
+    max-width: 8.33333%;
+    flex-basis: 8.33333%;
+  }
+  .col-lg-offset-0 {
+    margin-left: 0;
+  }
+  .col-lg-2,
+  .row.cols-lg-2 > * {
+    max-width: 16.66667%;
+    flex-basis: 16.66667%;
+  }
+  .col-lg-offset-1 {
+    margin-left: 8.33333%;
+  }
+  .col-lg-3,
+  .row.cols-lg-3 > * {
+    max-width: 25%;
+    flex-basis: 25%;
+  }
+  .col-lg-offset-2 {
+    margin-left: 16.66667%;
+  }
+  .col-lg-4,
+  .row.cols-lg-4 > * {
+    max-width: 33.33333%;
+    flex-basis: 33.33333%;
+  }
+  .col-lg-offset-3 {
+    margin-left: 25%;
+  }
+  .col-lg-5,
+  .row.cols-lg-5 > * {
+    max-width: 41.66667%;
+    flex-basis: 41.66667%;
+  }
+  .col-lg-offset-4 {
+    margin-left: 33.33333%;
+  }
+  .col-lg-6,
+  .row.cols-lg-6 > * {
+    max-width: 50%;
+    flex-basis: 50%;
+  }
+  .col-lg-offset-5 {
+    margin-left: 41.66667%;
+  }
+  .col-lg-7,
+  .row.cols-lg-7 > * {
+    max-width: 58.33333%;
+    flex-basis: 58.33333%;
+  }
+  .col-lg-offset-6 {
+    margin-left: 50%;
+  }
+  .col-lg-8,
+  .row.cols-lg-8 > * {
+    max-width: 66.66667%;
+    flex-basis: 66.66667%;
+  }
+  .col-lg-offset-7 {
+    margin-left: 58.33333%;
+  }
+  .col-lg-9,
+  .row.cols-lg-9 > * {
+    max-width: 75%;
+    flex-basis: 75%;
+  }
+  .col-lg-offset-8 {
+    margin-left: 66.66667%;
+  }
+  .col-lg-10,
+  .row.cols-lg-10 > * {
+    max-width: 83.33333%;
+    flex-basis: 83.33333%;
+  }
+  .col-lg-offset-9 {
+    margin-left: 75%;
+  }
+  .col-lg-11,
+  .row.cols-lg-11 > * {
+    max-width: 91.66667%;
+    flex-basis: 91.66667%;
+  }
+  .col-lg-offset-10 {
+    margin-left: 83.33333%;
+  }
+  .col-lg-12,
+  .row.cols-lg-12 > * {
+    max-width: 100%;
+    flex-basis: 100%;
+  }
+  .col-lg-offset-11 {
+    margin-left: 91.66667%;
+  }
+  .col-lg-normal {
+    order: initial;
+  }
+  .col-lg-first {
+    order: -999;
+  }
+  .col-lg-last {
+    order: 999;
+  }
+}
+
+/* Card component CSS variable definitions */
+:root {
+  --card-back-color: #f8f8f8;
+  --card-fore-color: #111;
+  --card-border-color: #ddd;
+}
+
+.card {
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  align-self: center;
+  position: relative;
+  width: 100%;
+  background: var(--card-back-color);
+  color: var(--card-fore-color);
+  border: 0.0625rem solid var(--card-border-color);
+  border-radius: var(--universal-border-radius);
+  margin: var(--universal-margin);
+  overflow: hidden;
+}
+
+@media screen and (min-width: 320px) {
+  .card {
+    max-width: 320px;
+  }
+}
+
+.card > .section {
+  background: var(--card-back-color);
+  color: var(--card-fore-color);
+  box-sizing: border-box;
+  margin: 0;
+  border: 0;
+  border-radius: 0;
+  border-bottom: 0.0625rem solid var(--card-border-color);
+  padding: var(--universal-padding);
+  width: 100%;
+}
+
+.card > .section.media {
+  height: 200px;
+  padding: 0;
+  -o-object-fit: cover;
+  object-fit: cover;
+}
+
+.card > .section:last-child {
+  border-bottom: 0;
+}
+
+/*
+  Custom elements for card elements.
+*/
+@media screen and (min-width: 240px) {
+  .card.small {
+    max-width: 240px;
+  }
+}
+
+@media screen and (min-width: 480px) {
+  .card.large {
+    max-width: 480px;
+  }
+}
+
+.card.fluid {
+  max-width: 100%;
+  width: auto;
+}
+
+.card.warning {
+  --card-back-color: #ffca28;
+  --card-border-color: #e8b825;
+}
+
+.card.error {
+  --card-back-color: #b71c1c;
+  --card-fore-color: #f8f8f8;
+  --card-border-color: #a71a1a;
+}
+
+.card > .section.dark {
+  --card-back-color: #e0e0e0;
+}
+
+.card > .section.double-padded {
+  padding: calc(1.5 * var(--universal-padding));
+}
+
+/*
+  Definitions for forms and input elements.
+*/
+/* Input_control module CSS variable definitions */
+:root {
+  --form-back-color: #f0f0f0;
+  --form-fore-color: #111;
+  --form-border-color: #ddd;
+  --input-back-color: #f8f8f8;
+  --input-fore-color: #111;
+  --input-border-color: #ddd;
+  --input-focus-color: #0288d1;
+  --input-invalid-color: #d32f2f;
+  --button-back-color: #e2e2e2;
+  --button-hover-back-color: #dcdcdc;
+  --button-fore-color: #212121;
+  --button-border-color: transparent;
+  --button-hover-border-color: transparent;
+  --button-group-border-color: rgba(124, 124, 124, 0.54);
+}
+
+form {
+  background: var(--form-back-color);
+  color: var(--form-fore-color);
+  border: 0.0625rem solid var(--form-border-color);
+  border-radius: var(--universal-border-radius);
+  margin: var(--universal-margin);
+  padding: calc(2 * var(--universal-padding)) var(--universal-padding);
+}
+
+fieldset {
+  border: 0.0625rem solid var(--form-border-color);
+  border-radius: var(--universal-border-radius);
+  margin: calc(var(--universal-margin) / 4);
+  padding: var(--universal-padding);
+}
+
+legend {
+  box-sizing: border-box;
+  display: table;
+  max-width: 100%;
+  white-space: normal;
+  font-weight: 700;
+  padding: calc(var(--universal-padding) / 2);
+}
+
+label {
+  padding: calc(var(--universal-padding) / 2) var(--universal-padding);
+}
+
+.input-group {
+  display: inline-block;
+}
+
+.input-group.fluid {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.input-group.fluid > input {
+  max-width: 100%;
+  flex-grow: 1;
+  flex-basis: 0px;
+}
+
+@media screen and (max-width: 767px) {
+  .input-group.fluid {
+    align-items: stretch;
+    flex-direction: column;
+  }
+}
+
+.input-group.vertical {
+  display: flex;
+  align-items: stretch;
+  flex-direction: column;
+}
+
+.input-group.vertical > input {
+  max-width: 100%;
+  flex-grow: 1;
+  flex-basis: 0px;
+}
+
+[type="number"]::-webkit-inner-spin-button, [type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+[type="search"] {
+  -webkit-appearance: textfield;
+  outline-offset: -2px;
+}
+
+[type="search"]::-webkit-search-cancel-button,
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+input:not([type]), [type="text"], [type="email"], [type="number"], [type="search"],
+[type="password"], [type="url"], [type="tel"], [type="checkbox"], [type="radio"], textarea, select {
+  box-sizing: border-box;
+  background: var(--input-back-color);
+  color: var(--input-fore-color);
+  border: 0.0625rem solid var(--input-border-color);
+  border-radius: var(--universal-border-radius);
+  margin: calc(var(--universal-margin) / 2);
+  padding: var(--universal-padding) calc(1.5 * var(--universal-padding));
+}
+
+input:not([type="button"]):not([type="submit"]):not([type="reset"]):hover, input:not([type="button"]):not([type="submit"]):not([type="reset"]):focus, textarea:hover, textarea:focus, select:hover, select:focus {
+  border-color: var(--input-focus-color);
+  box-shadow: none;
+}
+
+input:not([type="button"]):not([type="submit"]):not([type="reset"]):invalid, input:not([type="button"]):not([type="submit"]):not([type="reset"]):focus:invalid, textarea:invalid, textarea:focus:invalid, select:invalid, select:focus:invalid {
+  border-color: var(--input-invalid-color);
+  box-shadow: none;
+}
+
+input:not([type="button"]):not([type="submit"]):not([type="reset"])[readonly], textarea[readonly], select[readonly] {
+  background: var(--secondary-back-color);
+}
+
+select {
+  max-width: 100%;
+}
+
+option {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+[type="checkbox"], [type="radio"] {
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  position: relative;
+  height: calc(1rem + var(--universal-padding) / 2);
+  width: calc(1rem + var(--universal-padding) / 2);
+  vertical-align: text-bottom;
+  padding: 0;
+  flex-basis: calc(1rem + var(--universal-padding) / 2) !important;
+  flex-grow: 0 !important;
+}
+
+[type="checkbox"]:checked:before, [type="radio"]:checked:before {
+  position: absolute;
+}
+
+[type="checkbox"]:checked:before {
+  content: '\2713';
+  font-family: sans-serif;
+  font-size: calc(1rem + var(--universal-padding) / 2);
+  top: calc(0rem - var(--universal-padding));
+  left: calc(var(--universal-padding) / 4);
+}
+
+[type="radio"] {
+  border-radius: 100%;
+}
+
+[type="radio"]:checked:before {
+  border-radius: 100%;
+  content: '';
+  top: calc(0.0625rem + var(--universal-padding) / 2);
+  left: calc(0.0625rem + var(--universal-padding) / 2);
+  background: var(--input-fore-color);
+  width: 0.5rem;
+  height: 0.5rem;
+}
+
+:placeholder-shown {
+  color: var(--input-fore-color);
+}
+
+::-ms-placeholder {
+  color: var(--input-fore-color);
+  opacity: 0.54;
+}
+
+button::-moz-focus-inner, [type="button"]::-moz-focus-inner, [type="reset"]::-moz-focus-inner, [type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0;
+}
+
+button, html [type="button"], [type="reset"], [type="submit"] {
+  -webkit-appearance: button;
+}
+
+button {
+  overflow: visible;
+  text-transform: none;
+}
+
+button, [type="button"], [type="submit"], [type="reset"],
+a.button, label.button, .button,
+a[role="button"], label[role="button"], [role="button"] {
+  display: inline-block;
+  background: var(--button-back-color);
+  color: var(--button-fore-color);
+  border: 0.0625rem solid var(--button-border-color);
+  border-radius: var(--universal-border-radius);
+  padding: var(--universal-padding) calc(1.5 * var(--universal-padding));
+  margin: var(--universal-margin);
+  text-decoration: none;
+  cursor: pointer;
+  transition: background 0.3s;
+}
+
+button:hover, button:focus, [type="button"]:hover, [type="button"]:focus, [type="submit"]:hover, [type="submit"]:focus, [type="reset"]:hover, [type="reset"]:focus,
+a.button:hover,
+a.button:focus, label.button:hover, label.button:focus, .button:hover, .button:focus,
+a[role="button"]:hover,
+a[role="button"]:focus, label[role="button"]:hover, label[role="button"]:focus, [role="button"]:hover, [role="button"]:focus {
+  background: var(--button-hover-back-color);
+  border-color: var(--button-hover-border-color);
+}
+
+input:disabled, input[disabled], textarea:disabled, textarea[disabled], select:disabled, select[disabled], button:disabled, button[disabled], .button:disabled, .button[disabled], [role="button"]:disabled, [role="button"][disabled] {
+  cursor: not-allowed;
+  opacity: 0.75;
+}
+
+.button-group {
+  display: flex;
+  border: 0.0625rem solid var(--button-group-border-color);
+  border-radius: var(--universal-border-radius);
+  margin: var(--universal-margin);
+}
+
+.button-group > button, .button-group [type="button"], .button-group > [type="submit"], .button-group > [type="reset"],
+.button-group > .button, .button-group > [role="button"] {
+  margin: 0;
+  max-width: 100%;
+  flex: 1 1 auto;
+  text-align: center;
+  border: 0;
+  border-radius: 0;
+  box-shadow: none;
+}
+
+.button-group > :not(:first-child) {
+  border-left: 0.0625rem solid var(--button-group-border-color);
+}
+
+@media screen and (max-width: 767px) {
+  .button-group {
+    flex-direction: column;
+  }
+  .button-group > :not(:first-child) {
+    border: 0;
+    border-top: 0.0625rem solid var(--button-group-border-color);
+  }
+}
+
+/*
+  Custom elements for forms and input elements.
+*/
+button.primary, [type="button"].primary, [type="submit"].primary, [type="reset"].primary, .button.primary, [role="button"].primary {
+  --button-back-color: #1976d2;
+  --button-fore-color: #f8f8f8;
+}
+
+button.primary:hover, button.primary:focus, [type="button"].primary:hover, [type="button"].primary:focus, [type="submit"].primary:hover, [type="submit"].primary:focus, [type="reset"].primary:hover, [type="reset"].primary:focus, .button.primary:hover, .button.primary:focus, [role="button"].primary:hover, [role="button"].primary:focus {
+  --button-hover-back-color: #1565c0;
+}
+
+button.secondary, [type="button"].secondary, [type="submit"].secondary, [type="reset"].secondary, .button.secondary, [role="button"].secondary {
+  --button-back-color: #d32f2f;
+  --button-fore-color: #f8f8f8;
+}
+
+button.secondary:hover, button.secondary:focus, [type="button"].secondary:hover, [type="button"].secondary:focus, [type="submit"].secondary:hover, [type="submit"].secondary:focus, [type="reset"].secondary:hover, [type="reset"].secondary:focus, .button.secondary:hover, .button.secondary:focus, [role="button"].secondary:hover, [role="button"].secondary:focus {
+  --button-hover-back-color: #c62828;
+}
+
+button.tertiary, [type="button"].tertiary, [type="submit"].tertiary, [type="reset"].tertiary, .button.tertiary, [role="button"].tertiary {
+  --button-back-color: #308732;
+  --button-fore-color: #f8f8f8;
+}
+
+button.tertiary:hover, button.tertiary:focus, [type="button"].tertiary:hover, [type="button"].tertiary:focus, [type="submit"].tertiary:hover, [type="submit"].tertiary:focus, [type="reset"].tertiary:hover, [type="reset"].tertiary:focus, .button.tertiary:hover, .button.tertiary:focus, [role="button"].tertiary:hover, [role="button"].tertiary:focus {
+  --button-hover-back-color: #277529;
+}
+
+button.inverse, [type="button"].inverse, [type="submit"].inverse, [type="reset"].inverse, .button.inverse, [role="button"].inverse {
+  --button-back-color: #212121;
+  --button-fore-color: #f8f8f8;
+}
+
+button.inverse:hover, button.inverse:focus, [type="button"].inverse:hover, [type="button"].inverse:focus, [type="submit"].inverse:hover, [type="submit"].inverse:focus, [type="reset"].inverse:hover, [type="reset"].inverse:focus, .button.inverse:hover, .button.inverse:focus, [role="button"].inverse:hover, [role="button"].inverse:focus {
+  --button-hover-back-color: #111;
+}
+
+button.small, [type="button"].small, [type="submit"].small, [type="reset"].small, .button.small, [role="button"].small {
+  padding: calc(0.5 * var(--universal-padding)) calc(0.75 * var(--universal-padding));
+  margin: var(--universal-margin);
+}
+
+button.large, [type="button"].large, [type="submit"].large, [type="reset"].large, .button.large, [role="button"].large {
+  padding: calc(1.5 * var(--universal-padding)) calc(2 * var(--universal-padding));
+  margin: var(--universal-margin);
+}
+
+/*
+  Definitions for navigation elements.
+*/
+/* Navigation module CSS variable definitions */
+:root {
+  --header-back-color: #f8f8f8;
+  --header-hover-back-color: #f0f0f0;
+  --header-fore-color: #444;
+  --header-border-color: #ddd;
+  --nav-back-color: #f8f8f8;
+  --nav-hover-back-color: #f0f0f0;
+  --nav-fore-color: #444;
+  --nav-border-color: #ddd;
+  --nav-link-color: #0277bd;
+  --footer-fore-color: #444;
+  --footer-back-color: #f8f8f8;
+  --footer-border-color: #ddd;
+  --footer-link-color: #0277bd;
+  --drawer-back-color: #f8f8f8;
+  --drawer-hover-back-color: #f0f0f0;
+  --drawer-border-color: #ddd;
+  --drawer-close-color: #444;
+}
+
+header {
+  height: 3.1875rem;
+  background: var(--header-back-color);
+  color: var(--header-fore-color);
+  border-bottom: 0.0625rem solid var(--header-border-color);
+  padding: calc(var(--universal-padding) / 4) 0;
+  white-space: nowrap;
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+header.row {
+  box-sizing: content-box;
+}
+
+header .logo {
+  color: var(--header-fore-color);
+  font-size: 1.75rem;
+  padding: var(--universal-padding) calc(2 * var(--universal-padding));
+  text-decoration: none;
+}
+
+header button, header [type="button"], header .button, header [role="button"] {
+  box-sizing: border-box;
+  position: relative;
+  top: calc(0rem - var(--universal-padding) / 4);
+  height: calc(3.1875rem + var(--universal-padding) / 2);
+  background: var(--header-back-color);
+  line-height: calc(3.1875rem - var(--universal-padding) * 1.5);
+  text-align: center;
+  color: var(--header-fore-color);
+  border: 0;
+  border-radius: 0;
+  margin: 0;
+  text-transform: uppercase;
+}
+
+header button:hover, header button:focus, header [type="button"]:hover, header [type="button"]:focus, header .button:hover, header .button:focus, header [role="button"]:hover, header [role="button"]:focus {
+  background: var(--header-hover-back-color);
+}
+
+nav {
+  background: var(--nav-back-color);
+  color: var(--nav-fore-color);
+  border: 0.0625rem solid var(--nav-border-color);
+  border-radius: var(--universal-border-radius);
+  margin: var(--universal-margin);
+}
+
+nav * {
+  padding: var(--universal-padding) calc(1.5 * var(--universal-padding));
+}
+
+nav a, nav a:visited {
+  display: block;
+  color: var(--nav-link-color);
+  border-radius: var(--universal-border-radius);
+  transition: background 0.3s;
+}
+
+nav a:hover, nav a:focus, nav a:visited:hover, nav a:visited:focus {
+  text-decoration: none;
+  background: var(--nav-hover-back-color);
+}
+
+nav .sublink-1 {
+  position: relative;
+  margin-left: calc(2 * var(--universal-padding));
+}
+
+nav .sublink-1:before {
+  position: absolute;
+  left: calc(var(--universal-padding) - 1 * var(--universal-padding));
+  top: -0.0625rem;
+  content: '';
+  height: 100%;
+  border: 0.0625rem solid var(--nav-border-color);
+  border-left: 0;
+}
+
+nav .sublink-2 {
+  position: relative;
+  margin-left: calc(4 * var(--universal-padding));
+}
+
+nav .sublink-2:before {
+  position: absolute;
+  left: calc(var(--universal-padding) - 3 * var(--universal-padding));
+  top: -0.0625rem;
+  content: '';
+  height: 100%;
+  border: 0.0625rem solid var(--nav-border-color);
+  border-left: 0;
+}
+
+footer {
+  background: var(--footer-back-color);
+  color: var(--footer-fore-color);
+  border-top: 0.0625rem solid var(--footer-border-color);
+  padding: calc(2 * var(--universal-padding)) var(--universal-padding);
+  font-size: 0.875rem;
+}
+
+footer a, footer a:visited {
+  color: var(--footer-link-color);
+}
+
+header.sticky {
+  position: -webkit-sticky;
+  position: sticky;
+  z-index: 1101;
+  top: 0;
+}
+
+footer.sticky {
+  position: -webkit-sticky;
+  position: sticky;
+  z-index: 1101;
+  bottom: 0;
+}
+
+.drawer-toggle:before {
+  display: inline-block;
+  position: relative;
+  vertical-align: bottom;
+  content: '\00a0\2261\00a0';
+  font-family: sans-serif;
+  font-size: 1.5em;
+}
+
+@media screen and (min-width: 768px) {
+  .drawer-toggle:not(.persistent) {
+    display: none;
+  }
+}
+
+[type="checkbox"].drawer {
+  height: 1px;
+  width: 1px;
+  margin: -1px;
+  overflow: hidden;
+  position: absolute;
+  clip: rect(0 0 0 0);
+  -webkit-clip-path: inset(100%);
+  clip-path: inset(100%);
+}
+
+[type="checkbox"].drawer + * {
+  display: block;
+  box-sizing: border-box;
+  position: fixed;
+  top: 0;
+  width: 320px;
+  height: 100vh;
+  overflow-y: auto;
+  background: var(--drawer-back-color);
+  border: 0.0625rem solid var(--drawer-border-color);
+  border-radius: 0;
+  margin: 0;
+  z-index: 1110;
+  right: -320px;
+  transition: right 0.3s;
+}
+
+[type="checkbox"].drawer + * .drawer-close {
+  position: absolute;
+  top: var(--universal-margin);
+  right: var(--universal-margin);
+  z-index: 1111;
+  width: 2rem;
+  height: 2rem;
+  border-radius: var(--universal-border-radius);
+  padding: var(--universal-padding);
+  margin: 0;
+  cursor: pointer;
+  transition: background 0.3s;
+}
+
+[type="checkbox"].drawer + * .drawer-close:before {
+  display: block;
+  content: '\00D7';
+  color: var(--drawer-close-color);
+  position: relative;
+  font-family: sans-serif;
+  font-size: 2rem;
+  line-height: 1;
+  text-align: center;
+}
+
+[type="checkbox"].drawer + * .drawer-close:hover, [type="checkbox"].drawer + * .drawer-close:focus {
+  background: var(--drawer-hover-back-color);
+}
+
+@media screen and (max-width: 320px) {
+  [type="checkbox"].drawer + * {
+    width: 100%;
+  }
+}
+
+[type="checkbox"].drawer:checked + * {
+  right: 0;
+}
+
+@media screen and (min-width: 768px) {
+  [type="checkbox"].drawer:not(.persistent) + * {
+    position: static;
+    height: 100%;
+    z-index: 1100;
+  }
+  [type="checkbox"].drawer:not(.persistent) + * .drawer-close {
+    display: none;
+  }
+}
+
+/*
+  Definitions for the responsive table component.
+*/
+/* Table module CSS variable definitions. */
+:root {
+  --table-border-color: #aaa;
+  --table-border-separator-color: #666;
+  --table-head-back-color: #e6e6e6;
+  --table-head-fore-color: #111;
+  --table-body-back-color: #f8f8f8;
+  --table-body-fore-color: #111;
+  --table-body-alt-back-color: #eee;
+}
+
+table {
+  border-collapse: separate;
+  border-spacing: 0;
+  margin: 0;
+  display: flex;
+  flex: 0 1 auto;
+  flex-flow: row wrap;
+  padding: var(--universal-padding);
+  padding-top: 0;
+}
+
+table caption {
+  font-size: 1.5rem;
+  margin: calc(2 * var(--universal-margin)) 0;
+  max-width: 100%;
+  flex: 0 0 100%;
+}
+
+table thead, table tbody {
+  display: flex;
+  flex-flow: row wrap;
+  border: 0.0625rem solid var(--table-border-color);
+}
+
+table thead {
+  z-index: 999;
+  border-radius: var(--universal-border-radius) var(--universal-border-radius) 0 0;
+  border-bottom: 0.0625rem solid var(--table-border-separator-color);
+}
+
+table tbody {
+  border-top: 0;
+  margin-top: calc(0 - var(--universal-margin));
+  border-radius: 0 0 var(--universal-border-radius) var(--universal-border-radius);
+}
+
+table tr {
+  display: flex;
+  padding: 0;
+}
+
+table th, table td {
+  padding: calc(2 * var(--universal-padding));
+}
+
+table th {
+  text-align: left;
+  background: var(--table-head-back-color);
+  color: var(--table-head-fore-color);
+}
+
+table td {
+  background: var(--table-body-back-color);
+  color: var(--table-body-fore-color);
+  border-top: 0.0625rem solid var(--table-border-color);
+}
+
+table:not(.horizontal) {
+  overflow: auto;
+  max-height: 400px;
+}
+
+table:not(.horizontal) thead, table:not(.horizontal) tbody {
+  max-width: 100%;
+  flex: 0 0 100%;
+}
+
+table:not(.horizontal) tr {
+  flex-flow: row wrap;
+  flex: 0 0 100%;
+}
+
+table:not(.horizontal) th, table:not(.horizontal) td {
+  flex: 1 0 0%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+table:not(.horizontal) thead {
+  position: sticky;
+  top: 0;
+}
+
+table:not(.horizontal) tbody tr:first-child td {
+  border-top: 0;
+}
+
+table.horizontal {
+  border: 0;
+}
+
+table.horizontal thead, table.horizontal tbody {
+  border: 0;
+  flex: .2 0 0;
+  flex-flow: row nowrap;
+}
+
+table.horizontal tbody {
+  overflow: auto;
+  justify-content: space-between;
+  flex: .8 0 0;
+  margin-left: 0;
+  padding-bottom: calc(var(--universal-padding) / 4);
+}
+
+table.horizontal tr {
+  flex-direction: column;
+  flex: 1 0 auto;
+}
+
+table.horizontal th, table.horizontal td {
+  width: auto;
+  border: 0;
+  border-bottom: 0.0625rem solid var(--table-border-color);
+}
+
+table.horizontal th:not(:first-child), table.horizontal td:not(:first-child) {
+  border-top: 0;
+}
+
+table.horizontal th {
+  text-align: right;
+  border-left: 0.0625rem solid var(--table-border-color);
+  border-right: 0.0625rem solid var(--table-border-separator-color);
+}
+
+table.horizontal thead tr:first-child {
+  padding-left: 0;
+}
+
+table.horizontal th:first-child, table.horizontal td:first-child {
+  border-top: 0.0625rem solid var(--table-border-color);
+}
+
+table.horizontal tbody tr:last-child td {
+  border-right: 0.0625rem solid var(--table-border-color);
+}
+
+table.horizontal tbody tr:last-child td:first-child {
+  border-top-right-radius: 0.25rem;
+}
+
+table.horizontal tbody tr:last-child td:last-child {
+  border-bottom-right-radius: 0.25rem;
+}
+
+table.horizontal thead tr:first-child th:first-child {
+  border-top-left-radius: 0.25rem;
+}
+
+table.horizontal thead tr:first-child th:last-child {
+  border-bottom-left-radius: 0.25rem;
+}
+
+@media screen and (max-width: 767px) {
+  table, table.horizontal {
+    border-collapse: collapse;
+    border: 0;
+    width: 100%;
+    display: table;
+  }
+  table thead, table th, table.horizontal thead, table.horizontal th {
+    border: 0;
+    height: 1px;
+    width: 1px;
+    margin: -1px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    clip: rect(0 0 0 0);
+    -webkit-clip-path: inset(100%);
+    clip-path: inset(100%);
+  }
+  table tbody, table.horizontal tbody {
+    border: 0;
+    display: table-row-group;
+  }
+  table tr, table.horizontal tr {
+    display: block;
+    border: 0.0625rem solid var(--table-border-color);
+    border-radius: var(--universal-border-radius);
+    background: #fafafa;
+    padding: var(--universal-padding);
+    margin: var(--universal-margin);
+    margin-bottom: calc(2 * var(--universal-margin));
+  }
+  table th, table td, table.horizontal th, table.horizontal td {
+    width: auto;
+  }
+  table td, table.horizontal td {
+    display: block;
+    border: 0;
+    text-align: right;
+  }
+  table td:before, table.horizontal td:before {
+    content: attr(data-label);
+    float: left;
+    font-weight: 600;
+  }
+  table th:first-child, table td:first-child, table.horizontal th:first-child, table.horizontal td:first-child {
+    border-top: 0;
+  }
+  table tbody tr:last-child td, table.horizontal tbody tr:last-child td {
+    border-right: 0;
+  }
+}
+
+:root {
+  --table-body-alt-back-color: #eee;
+}
+
+table.striped tr:nth-of-type(2n) > td {
+  background: var(--table-body-alt-back-color);
+}
+
+@media screen and (max-width: 768px) {
+  table.striped tr:nth-of-type(2n) {
+    background: var(--table-body-alt-back-color);
+  }
+}
+
+:root {
+  --table-body-hover-back-color: #90caf9;
+}
+
+table.hoverable tr:hover, table.hoverable tr:hover > td, table.hoverable tr:focus, table.hoverable tr:focus > td {
+  background: var(--table-body-hover-back-color);
+}
+
+@media screen and (max-width: 768px) {
+  table.hoverable tr:hover, table.hoverable tr:hover > td, table.hoverable tr:focus, table.hoverable tr:focus > td {
+    background: var(--table-body-hover-back-color);
+  }
+}
+
+/*
+  Definitions for contextual background elements, toasts and tooltips.
+*/
+/* Contextual module CSS variable definitions */
+:root {
+  --mark-back-color: #0277bd;
+  --mark-fore-color: #fafafa;
+}
+
+mark {
+  background: var(--mark-back-color);
+  color: var(--mark-fore-color);
+  font-size: 0.95em;
+  line-height: 1em;
+  border-radius: var(--universal-border-radius);
+  padding: calc(var(--universal-padding) / 4) calc(var(--universal-padding) / 2);
+}
+
+mark.inline-block {
+  display: inline-block;
+  font-size: 1em;
+  line-height: 1.5;
+  padding: calc(var(--universal-padding) / 2) var(--universal-padding);
+}
+
+:root {
+  --toast-back-color: #424242;
+  --toast-fore-color: #fafafa;
+}
+
+.toast {
+  position: fixed;
+  bottom: calc(var(--universal-margin) * 3);
+  left: 50%;
+  transform: translate(-50%, -50%);
+  z-index: 1111;
+  color: var(--toast-fore-color);
+  background: var(--toast-back-color);
+  border-radius: calc(var(--universal-border-radius) * 16);
+  padding: var(--universal-padding) calc(var(--universal-padding) * 3);
+}
+
+:root {
+  --tooltip-back-color: #212121;
+  --tooltip-fore-color: #fafafa;
+}
+
+.tooltip {
+  position: relative;
+  display: inline-block;
+}
+
+.tooltip:before, .tooltip:after {
+  position: absolute;
+  opacity: 0;
+  clip: rect(0 0 0 0);
+  -webkit-clip-path: inset(100%);
+  clip-path: inset(100%);
+  transition: all 0.3s;
+  z-index: 1010;
+  left: 50%;
+}
+
+.tooltip:not(.bottom):before, .tooltip:not(.bottom):after {
+  bottom: 75%;
+}
+
+.tooltip.bottom:before, .tooltip.bottom:after {
+  top: 75%;
+}
+
+.tooltip:hover:before, .tooltip:hover:after, .tooltip:focus:before, .tooltip:focus:after {
+  opacity: 1;
+  clip: auto;
+  -webkit-clip-path: inset(0%);
+  clip-path: inset(0%);
+}
+
+.tooltip:before {
+  content: '';
+  background: transparent;
+  border: var(--universal-margin) solid transparent;
+  left: calc(50% - var(--universal-margin));
+}
+
+.tooltip:not(.bottom):before {
+  border-top-color: #212121;
+}
+
+.tooltip.bottom:before {
+  border-bottom-color: #212121;
+}
+
+.tooltip:after {
+  content: attr(aria-label);
+  color: var(--tooltip-fore-color);
+  background: var(--tooltip-back-color);
+  border-radius: var(--universal-border-radius);
+  padding: var(--universal-padding);
+  white-space: nowrap;
+  transform: translateX(-50%);
+}
+
+.tooltip:not(.bottom):after {
+  margin-bottom: calc(2 * var(--universal-margin));
+}
+
+.tooltip.bottom:after {
+  margin-top: calc(2 * var(--universal-margin));
+}
+
+:root {
+  --modal-overlay-color: rgba(0, 0, 0, 0.45);
+  --modal-close-color: #444;
+  --modal-close-hover-color: #f0f0f0;
+}
+
+[type="checkbox"].modal {
+  height: 1px;
+  width: 1px;
+  margin: -1px;
+  overflow: hidden;
+  position: absolute;
+  clip: rect(0 0 0 0);
+  -webkit-clip-path: inset(100%);
+  clip-path: inset(100%);
+}
+
+[type="checkbox"].modal + div {
+  position: fixed;
+  top: 0;
+  left: 0;
+  display: none;
+  width: 100vw;
+  height: 100vh;
+  background: var(--modal-overlay-color);
+}
+
+[type="checkbox"].modal + div .card {
+  margin: 0 auto;
+  max-height: 50vh;
+  overflow: auto;
+}
+
+[type="checkbox"].modal + div .card .modal-close {
+  position: absolute;
+  top: 0;
+  right: 0;
+  width: 1.75rem;
+  height: 1.75rem;
+  border-radius: var(--universal-border-radius);
+  padding: var(--universal-padding);
+  margin: 0;
+  cursor: pointer;
+  transition: background 0.3s;
+}
+
+[type="checkbox"].modal + div .card .modal-close:before {
+  display: block;
+  content: '\00D7';
+  color: var(--modal-close-color);
+  position: relative;
+  font-family: sans-serif;
+  font-size: 1.75rem;
+  line-height: 1;
+  text-align: center;
+}
+
+[type="checkbox"].modal + div .card .modal-close:hover, [type="checkbox"].modal + div .card .modal-close:focus {
+  background: var(--modal-close-hover-color);
+}
+
+[type="checkbox"].modal:checked + div {
+  display: flex;
+  flex: 0 1 auto;
+  z-index: 1200;
+}
+
+[type="checkbox"].modal:checked + div .card .modal-close {
+  z-index: 1211;
+}
+
+:root {
+  --collapse-label-back-color: #e8e8e8;
+  --collapse-label-fore-color: #212121;
+  --collapse-label-hover-back-color: #f0f0f0;
+  --collapse-selected-label-back-color: #ececec;
+  --collapse-border-color: #ddd;
+  --collapse-content-back-color: #fafafa;
+  --collapse-selected-label-border-color: #0277bd;
+}
+
+.collapse {
+  width: calc(100% - 2 * var(--universal-margin));
+  opacity: 1;
+  display: flex;
+  flex-direction: column;
+  margin: var(--universal-margin);
+  border-radius: var(--universal-border-radius);
+}
+
+.collapse > [type="radio"], .collapse > [type="checkbox"] {
+  height: 1px;
+  width: 1px;
+  margin: -1px;
+  overflow: hidden;
+  position: absolute;
+  clip: rect(0 0 0 0);
+  -webkit-clip-path: inset(100%);
+  clip-path: inset(100%);
+}
+
+.collapse > label {
+  flex-grow: 1;
+  display: inline-block;
+  height: 1.5rem;
+  cursor: pointer;
+  transition: background 0.3s;
+  color: var(--collapse-label-fore-color);
+  background: var(--collapse-label-back-color);
+  border: 0.0625rem solid var(--collapse-border-color);
+  padding: calc(1.5 * var(--universal-padding));
+}
+
+.collapse > label:hover, .collapse > label:focus {
+  background: var(--collapse-label-hover-back-color);
+}
+
+.collapse > label + div {
+  flex-basis: auto;
+  height: 1px;
+  width: 1px;
+  margin: -1px;
+  overflow: hidden;
+  position: absolute;
+  clip: rect(0 0 0 0);
+  -webkit-clip-path: inset(100%);
+  clip-path: inset(100%);
+  transition: max-height 0.3s;
+  max-height: 1px;
+}
+
+.collapse > :checked + label {
+  background: var(--collapse-selected-label-back-color);
+  border-bottom-color: var(--collapse-selected-label-border-color);
+}
+
+.collapse > :checked + label + div {
+  box-sizing: border-box;
+  position: relative;
+  width: 100%;
+  height: auto;
+  overflow: auto;
+  margin: 0;
+  background: var(--collapse-content-back-color);
+  border: 0.0625rem solid var(--collapse-border-color);
+  border-top: 0;
+  padding: var(--universal-padding);
+  clip: auto;
+  -webkit-clip-path: inset(0%);
+  clip-path: inset(0%);
+  max-height: 400px;
+}
+
+.collapse > label:not(:first-of-type) {
+  border-top: 0;
+}
+
+.collapse > label:first-of-type {
+  border-radius: var(--universal-border-radius) var(--universal-border-radius) 0 0;
+}
+
+.collapse > label:last-of-type:not(:first-of-type) {
+  border-radius: 0 0 var(--universal-border-radius) var(--universal-border-radius);
+}
+
+.collapse > label:last-of-type:first-of-type {
+  border-radius: var(--universal-border-radius);
+}
+
+.collapse > :checked:last-of-type:not(:first-of-type) + label {
+  border-radius: 0;
+}
+
+.collapse > :checked:last-of-type + label + div {
+  border-radius: 0 0 var(--universal-border-radius) var(--universal-border-radius);
+}
+
+/*
+  Custom elements for contextual background elements, toasts and tooltips.
+*/
+mark.secondary {
+  --mark-back-color: #d32f2f;
+}
+
+mark.tertiary {
+  --mark-back-color: #308732;
+}
+
+mark.tag {
+  padding: calc(var(--universal-padding)/2) var(--universal-padding);
+  border-radius: 1em;
+}
+
+/*
+  Definitions for progress elements and spinners.
+*/
+/* Progess module CSS variable definitions */
+:root {
+  --progress-back-color: #ddd;
+  --progress-fore-color: #555;
+}
+
+progress {
+  display: block;
+  vertical-align: baseline;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  height: 0.75rem;
+  width: calc(100% - 2 * var(--universal-margin));
+  margin: var(--universal-margin);
+  border: 0;
+  border-radius: calc(2 * var(--universal-border-radius));
+  background: var(--progress-back-color);
+  color: var(--progress-fore-color);
+}
+
+progress::-webkit-progress-value {
+  background: var(--progress-fore-color);
+  border-top-left-radius: calc(2 * var(--universal-border-radius));
+  border-bottom-left-radius: calc(2 * var(--universal-border-radius));
+}
+
+progress::-webkit-progress-bar {
+  background: var(--progress-back-color);
+}
+
+progress::-moz-progress-bar {
+  background: var(--progress-fore-color);
+  border-top-left-radius: calc(2 * var(--universal-border-radius));
+  border-bottom-left-radius: calc(2 * var(--universal-border-radius));
+}
+
+progress[value="1000"]::-webkit-progress-value {
+  border-radius: calc(2 * var(--universal-border-radius));
+}
+
+progress[value="1000"]::-moz-progress-bar {
+  border-radius: calc(2 * var(--universal-border-radius));
+}
+
+progress.inline {
+  display: inline-block;
+  vertical-align: middle;
+  width: 60%;
+}
+
+:root {
+  --spinner-back-color: #ddd;
+  --spinner-fore-color: #555;
+}
+
+@keyframes spinner-donut-anim {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+.spinner {
+  display: inline-block;
+  margin: var(--universal-margin);
+  border: 0.25rem solid var(--spinner-back-color);
+  border-left: 0.25rem solid var(--spinner-fore-color);
+  border-radius: 50%;
+  width: 1.25rem;
+  height: 1.25rem;
+  animation: spinner-donut-anim 1.2s linear infinite;
+}
+
+/*
+  Custom elements for progress bars and spinners.
+*/
+progress.primary {
+  --progress-fore-color: #1976d2;
+}
+
+progress.secondary {
+  --progress-fore-color: #d32f2f;
+}
+
+progress.tertiary {
+  --progress-fore-color: #308732;
+}
+
+.spinner.primary {
+  --spinner-fore-color: #1976d2;
+}
+
+.spinner.secondary {
+  --spinner-fore-color: #d32f2f;
+}
+
+.spinner.tertiary {
+  --spinner-fore-color: #308732;
+}
+
+/*
+  Definitions for icons - powered by Feather (https://feathericons.com/).
+*/
+span[class^='icon-'] {
+  display: inline-block;
+  height: 1em;
+  width: 1em;
+  vertical-align: -0.125em;
+  background-size: contain;
+  margin: 0 calc(var(--universal-margin) / 4);
+}
+
+span[class^='icon-'].secondary {
+  -webkit-filter: invert(25%);
+  filter: invert(25%);
+}
+
+span[class^='icon-'].inverse {
+  -webkit-filter: invert(100%);
+  filter: invert(100%);
+}
+
+span.icon-alert {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12' y2='16'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-bookmark {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z'%3E%3C/path%3E%3C/svg%3E");
+}
+
+span.icon-calendar {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-credit {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='1' y='4' width='22' height='16' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='1' y1='10' x2='23' y2='10'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-edit {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 14.66V20a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h5.34'%3E%3C/path%3E%3Cpolygon points='18 2 22 6 12 16 8 16 8 12 18 2'%3E%3C/polygon%3E%3C/svg%3E");
+}
+
+span.icon-link {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-help {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3'%3E%3C/path%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='17' x2='12' y2='17'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-home {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'%3E%3C/path%3E%3Cpolyline points='9 22 9 12 15 12 15 22'%3E%3C/polyline%3E%3C/svg%3E");
+}
+
+span.icon-info {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='16' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='8' x2='12' y2='8'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-lock {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'%3E%3C/path%3E%3C/svg%3E");
+}
+
+span.icon-mail {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'%3E%3C/path%3E%3Cpolyline points='22,6 12,13 2,6'%3E%3C/polyline%3E%3C/svg%3E");
+}
+
+span.icon-location {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z'%3E%3C/path%3E%3Ccircle cx='12' cy='10' r='3'%3E%3C/circle%3E%3C/svg%3E");
+}
+
+span.icon-phone {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'%3E%3C/path%3E%3C/svg%3E");
+}
+
+span.icon-rss {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 11a9 9 0 0 1 9 9'%3E%3C/path%3E%3Cpath d='M4 4a16 16 0 0 1 16 16'%3E%3C/path%3E%3Ccircle cx='5' cy='19' r='1'%3E%3C/circle%3E%3C/svg%3E");
+}
+
+span.icon-search {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-settings {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='3'%3E%3C/circle%3E%3Cpath d='M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z'%3E%3C/path%3E%3C/svg%3E");
+}
+
+span.icon-share {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='18' cy='5' r='3'%3E%3C/circle%3E%3Ccircle cx='6' cy='12' r='3'%3E%3C/circle%3E%3Ccircle cx='18' cy='19' r='3'%3E%3C/circle%3E%3Cline x1='8.59' y1='13.51' x2='15.42' y2='17.49'%3E%3C/line%3E%3Cline x1='15.41' y1='6.51' x2='8.59' y2='10.49'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-cart {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9' cy='21' r='1'%3E%3C/circle%3E%3Ccircle cx='20' cy='21' r='1'%3E%3C/circle%3E%3Cpath d='M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6'%3E%3C/path%3E%3C/svg%3E");
+}
+
+span.icon-upload {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'%3E%3C/path%3E%3Cpolyline points='17 8 12 3 7 8'%3E%3C/polyline%3E%3Cline x1='12' y1='3' x2='12' y2='15'%3E%3C/line%3E%3C/svg%3E");
+}
+
+span.icon-user {
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'%3E%3C/path%3E%3Ccircle cx='12' cy='7' r='4'%3E%3C/circle%3E%3C/svg%3E");
+}
+
+/*
+  Definitions for utilities and helper classes.
+*/
+/* Utility module CSS variable definitions */
+:root {
+  --generic-border-color: rgba(0, 0, 0, 0.3);
+  --generic-box-shadow: 0 0.25rem 0.25rem 0 rgba(0, 0, 0, 0.125), 0 0.125rem 0.125rem -0.125rem rgba(0, 0, 0, 0.25);
+}
+
+.hidden {
+  display: none !important;
+}
+
+.visually-hidden {
+  position: absolute !important;
+  width: 1px !important;
+  height: 1px !important;
+  margin: -1px !important;
+  border: 0 !important;
+  padding: 0 !important;
+  clip: rect(0 0 0 0) !important;
+  -webkit-clip-path: inset(100%) !important;
+  clip-path: inset(100%) !important;
+  overflow: hidden !important;
+}
+
+.bordered {
+  border: 0.0625rem solid var(--generic-border-color) !important;
+}
+
+.rounded {
+  border-radius: var(--universal-border-radius) !important;
+}
+
+.circular {
+  border-radius: 50% !important;
+}
+
+.shadowed {
+  box-shadow: var(--generic-box-shadow) !important;
+}
+
+.responsive-margin {
+  margin: calc(var(--universal-margin) / 4) !important;
+}
+
+@media screen and (min-width: 768px) {
+  .responsive-margin {
+    margin: calc(var(--universal-margin) / 2) !important;
+  }
+}
+
+@media screen and (min-width: 1280px) {
+  .responsive-margin {
+    margin: var(--universal-margin) !important;
+  }
+}
+
+.responsive-padding {
+  padding: calc(var(--universal-padding) / 4) !important;
+}
+
+@media screen and (min-width: 768px) {
+  .responsive-padding {
+    padding: calc(var(--universal-padding) / 2) !important;
+  }
+}
+
+@media screen and (min-width: 1280px) {
+  .responsive-padding {
+    padding: var(--universal-padding) !important;
+  }
+}
+
+@media screen and (max-width: 767px) {
+  .hidden-sm {
+    display: none !important;
+  }
+}
+
+@media screen and (min-width: 768px) and (max-width: 1279px) {
+  .hidden-md {
+    display: none !important;
+  }
+}
+
+@media screen and (min-width: 1280px) {
+  .hidden-lg {
+    display: none !important;
+  }
+}
+
+@media screen and (max-width: 767px) {
+  .visually-hidden-sm {
+    position: absolute !important;
+    width: 1px !important;
+    height: 1px !important;
+    margin: -1px !important;
+    border: 0 !important;
+    padding: 0 !important;
+    clip: rect(0 0 0 0) !important;
+    -webkit-clip-path: inset(100%) !important;
+    clip-path: inset(100%) !important;
+    overflow: hidden !important;
+  }
+}
+
+@media screen and (min-width: 768px) and (max-width: 1279px) {
+  .visually-hidden-md {
+    position: absolute !important;
+    width: 1px !important;
+    height: 1px !important;
+    margin: -1px !important;
+    border: 0 !important;
+    padding: 0 !important;
+    clip: rect(0 0 0 0) !important;
+    -webkit-clip-path: inset(100%) !important;
+    clip-path: inset(100%) !important;
+    overflow: hidden !important;
+  }
+}
+
+@media screen and (min-width: 1280px) {
+  .visually-hidden-lg {
+    position: absolute !important;
+    width: 1px !important;
+    height: 1px !important;
+    margin: -1px !important;
+    border: 0 !important;
+    padding: 0 !important;
+    clip: rect(0 0 0 0) !important;
+    -webkit-clip-path: inset(100%) !important;
+    clip-path: inset(100%) !important;
+    overflow: hidden !important;
+  }
+}
