@charset "UTF-8";
.talktext a {
  vertical-align: 0.3em;
  font-size: 0.7em;
  margin-left: -0.3em;
}
.talktext a.index {
  background-color: transparent !important;
}

h6 {
  font-family: var(--font-special) !important;
}

section blockquote {
  margin-bottom: 0.5em;
}

article.hidden {
  display: none;
}

:root {
  --icon-logo: url("/assets/logo-icon.svg");
  --icon-logo-size: 50px;
  --icon-name: Material Symbols Outlined;
  --font-special: Josefin Sans, sans-serif;
  --font-mono: Share Tech Mono, monospace;
  --font-main: Open Sans, sans-serif;
  --font-secondary: Teko, sans-serif;
  --font-tertiary: Lexend, sans-serif;
  --font-samp: Open Sans, sans-serif;
  --color-bg: #3a3a3a;
  --color-fg: ivory;
  --color-primary: white;
  --color-secondary: floralwhite;
  --color-tertiary: #2cdd88;
  --color-link: #ffc100;
  --color-dark: gray;
  --color-theme: #ccff00;
  --color-bullet: gray;
  --color-row-odd: #2a2a2a;
  --color-row-even: #2f2f2f;
  --color-card-fg: #444;
  --color-card-bg: #f6ffd5;
  --color-code-bg: #222;
  --content-width: 600px;
  --grid-width: 180px;
  --grid-image-height: 180px;
  --grid-body-height: 300px;
  --card-font-size: 16px;
  --samp-font-size: inherit;
}

body {
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.6;
  background-color: var(--color-bg);
  color: var(--color-fg);
}
body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
body::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 6px;
}
body::-webkit-scrollbar-corner {
  background-color: transparent;
}
body.no-scroll {
  overflow: hidden;
  padding-right: 6px;
}

hr {
  width: 300px;
  margin-bottom: 20px;
  margin-top: 40px;
  border-color: var(--color-bg);
}

a {
  color: var(--color-link);
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: normal;
  color: var(--color-secondary);
  line-height: 1;
}

h1 {
  font-size: 2.5em;
}

h2 {
  font-size: 2em;
}

h3 {
  font-size: 1.7em;
}

h4 {
  font-size: 1.4em;
}

h5 {
  font-size: 1.2em;
}

h6 {
  font-size: 1em;
}

.special {
  font-family: var(--font-special);
  text-align: center;
  color: var(--color-primary);
  margin: 10px 0 5px 0;
}

code, pre {
  font-family: var(--font-mono);
}

code {
  white-space: pre-wrap;
  color: var(--color-secondary);
}
code.rounded {
  border-radius: 5px;
  margin: 0 3px;
  padding: 2px 5px;
}

pre {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  padding: 10px;
  box-sizing: border-box;
}
pre code {
  color: inherit;
}

sub, sup {
  font-size: small;
}

sup {
  vertical-align: 6px;
}

sub {
  vertical-align: 0px;
}

.md-18 {
  font-size: 18px;
}

.md-24 {
  font-size: 24px;
}

.md-36 {
  font-size: 36px;
}

.md-48 {
  font-size: 48px;
}

.md-disabled {
  color: rgba(0, 0, 0, 0.6);
}

.middle-align {
  display: flex;
  align-items: center;
  text-decoration: none;
  text-align: center;
}

.center-align {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-direction: column;
}

.spacer {
  margin-top: 100px;
}

footer {
  margin-top: 100px;
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-direction: column;
  color: var(--color-dark);
  font-size: 14px;
}
footer ul {
  padding: 0;
  display: flex;
}
footer ul li {
  display: flex;
  align-items: center;
  text-decoration: none;
  text-align: center;
  margin: 0 5px;
}
footer ul li a {
  color: var(--color-secondary);
}

article.center {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-direction: column;
}
article.center img {
  border-radius: 50%;
  object-fit: cover;
}
article.left img {
  float: left;
  object-fit: cover;
  margin: 5px 10px 0 0;
  display: inline-block;
}
article.tiles ul {
  list-style-type: none;
  padding-inline-start: unset;
  display: grid;
  grid-gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}
article.tiles ul li {
  padding: 5px;
  margin: 5px;
  border-radius: 5px;
  text-align: center;
  background-color: var(--color-theme);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}
article.tiles ul li a {
  color: var(--color-bg);
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}
article.tiles ul li sup {
  vertical-align: 3px;
}

.card-tab {
  display: flex;
  flex-direction: column;
  position: relative;
  background-image: linear-gradient(225deg, var(--color-card-fg) 50%, transparent 50%);
  background-size: 120px 27px;
  background-repeat: no-repeat;
  background-position: right top;
  border-radius: 2px;
  box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.1);
  border-top-width: 22px;
  border-top-style: solid;
  border-top-color: var(--color-card-fg);
  background-color: var(--color-card-bg);
  color: var(--color-card-fg);
  text-transform: none;
  height: calc(100% - 22px);
}

.top-bar {
  color: var(--color-card-bg, "whitesmoke");
  font-family: var(--font-special);
  margin: -21px 0 0 5px;
  font-size: 15px;
  text-align: left;
}

.tab {
  color: var(--color-card-bg, "whitesmoke");
  font-family: var(--font-special);
  position: absolute;
  top: -10px;
  right: 3px;
  font-size: 45px;
  line-height: 30px;
  text-align: right;
}
.tab small {
  display: block;
  font-size: 12px;
}
.tab.icon {
  font-family: var(--icon-name);
  line-height: 0.7;
  font-size: 37px;
  cursor: pointer;
}

.header {
  margin: 4px 50px 0 5px;
  text-align: left;
  line-height: 1;
  height: 20px;
  font-size: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: flex-end;
  font-family: var(--font-secondary);
}
.header a {
  color: var(--color-bg);
}

.body {
  flex-grow: 2;
  padding: 10px;
  overflow: hidden;
  text-align: left;
}
.body:not(.limit-height) {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.body.limit-height {
  max-height: var(--grid-body-height);
  overflow-y: auto;
  padding-bottom: 0;
  box-sizing: border-box;
}
.body.limit-height.has-more {
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black calc(100% - 100px), transparent 100%);
  mask-image: linear-gradient(to bottom, black 0%, black calc(100% - 100px), transparent 100%);
  transition: mask-image 0.4s ease;
}
.body h2 {
  word-break: break-word;
  margin-top: 10px;
  line-height: 2.4rem;
}
.body h4 {
  color: inherit;
  margin: 5px 0;
}
.body .item:not(:first-child) {
  border-top: 1px solid;
}
.body .item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
}
.body .item {
  margin-bottom: 20px;
  text-align: left;
  font-size: var(--card-font-size);
  line-height: normal;
}
.body .item h3 {
  margin: 3px 5px 0 5px;
  color: var(--color-card-fg);
}
.body .item .due {
  display: inline-flex;
  align-items: center;
  border-radius: 5px;
  margin: 0 3px;
  padding: 2px 5px;
}
.body .item .due .icon {
  font-size: 1.3em;
  font-variation-settings: "FILL" 1;
}
.body .item .due.past {
  background-color: var(--color-dark);
}
.body .item small {
  margin-left: 5px;
}
.body pre, .body code {
  color: inherit;
}

.control {
  margin-top: 10px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
}
.control a {
  text-decoration: none;
  font-size: var(--card-font-size);
  display: contents;
}
.control a.button {
  display: flex;
  border-radius: 5px;
  padding: 5px 10px;
  color: white !important;
  background-color: var(--color-card-fg);
}
.control a.button .rocket {
  font-variation-settings: "FILL" 1;
}
.control .tags {
  font-family: var(--font-secondary);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

article {
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow-wrap: break-word;
  word-break: break-word;
}
article.max-width {
  max-width: var(--content-width);
}
article .bubble-container {
  margin-bottom: 0;
  font-family: var(--font-special);
}
article h1, article h2, article h3, article h4, article h5, article h6 {
  margin-bottom: 0.2em;
  font-family: var(--font-main);
}
article h1, article h2, article h3 {
  font-weight: 300;
}
article h4, article h5, article h6 {
  font-weight: 500;
}
article h1 + time {
  color: var(--color-dark);
  font-size: 15px;
}
article h1 + *, article h2 + *, article h3 + *, article h4 + * {
  margin-top: 0.5em;
}
article h1 > code, article h2 > code, article h3 > code, article h4 > code {
  font-size: 0.8em;
}
article h2 {
  font-size: 2em;
}
article h3 {
  font-size: 1.7em;
}
article h4 {
  font-size: 1.4em;
}
article h5 {
  font-size: 1.2em;
}
article h6 {
  font-size: 1.1em;
  color: var(--color-dark);
}
article code {
  margin-top: 100px;
  border-radius: 5px;
  padding: 2px 5px;
  background-color: var(--color-code-bg);
}
article pre {
  margin: 0;
  width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
}
article pre code {
  border: 0;
  background-color: inherit;
  border-radius: 0;
  padding: 0;
  margin: 0;
  white-space: pre;
}
article p:has(> sub) {
  margin: 1em 0 0 0;
}
article p:has(> sub) sub {
  font-family: var(--font-special);
  color: var(--color-tertiary);
  font-size: 0.9rem;
}
article p:has(> sub) + h1, article p:has(> sub) + h2, article p:has(> sub) + h3, article p:has(> sub) + h4 {
  margin-top: 0;
}
article em {
  font-weight: 300;
}
article address {
  font-style: normal;
  font-family: var(--font-secondary);
  margin-top: 1.5em;
  font-size: 1.4em;
}
article address a {
  color: var(--color-tertiary);
}
article hr.section, article hr.logo {
  border: none;
  border-bottom: 1px solid var(--color-code-bg);
}
article hr.section {
  text-align: center;
  line-height: 0;
  height: 5px;
  font-size: 54px;
  overflow: visible;
}
article hr.section:after {
  content: "⁕";
  display: inline;
  padding: 0 10px;
  color: var(--color-code-bg);
  background-color: var(--color-bg);
}
article hr.logo {
  font-size: 0;
}
article hr.logo:after {
  content: var(--icon-logo);
  width: 20px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%) translateY(-50%);
  padding: 0 10px;
  background-color: var(--color-bg);
}
article .text > p:first-child {
  font-size: 25px;
  line-height: 1.3;
}
article .tags small {
  font-family: var(--font-secondary);
  color: var(--color-dark);
}
article .source {
  color: var(--color-dark);
  font-size: 13px;
}
article .source > * {
  margin-left: 10px;
}

blockquote {
  border-left: 2px solid var(--color-bullet);
  padding-left: 10px;
  margin: 0 10px 0 20px;
  font-weight: 300;
}
blockquote p {
  margin: 0;
}
blockquote + blockquote {
  margin-top: 10px;
}

dl {
  font-weight: 300;
}
dl dt {
  margin-top: 0.7em;
  font-weight: 500;
}
dl dd {
  margin-left: 1em;
}
dl.poem dd {
  margin-right: 1em;
  padding-left: 1em;
  text-indent: -1em;
}

samp {
  filter: blur(4px);
  font-family: var(--font-samp);
  font-size: var(--samp-font-size);
  cursor: pointer;
}
samp.on {
  filter: none;
  color: var(--color-tertiary);
}

.lesson-group {
  flex-wrap: wrap;
  justify-content: center;
}

.lesson-number {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 7px 5px 3px 5px;
  margin: 5px;
  background-color: var(--color-fg);
  font-family: var(--fontText);
  color: var(--color-bg);
  border-radius: 50%;
  width: 25px;
  height: 25px;
  font-size: 16px;
}
.lesson-number.current {
  background-color: var(--color-secondary);
}
.lesson-number.icon {
  font-size: 25px;
  padding: 5px;
  font-family: var(--icon-name);
}

a.lesson-number {
  color: var(--color-fg);
  background-color: var(--color-link);
}

ul, ol {
  padding-inline-start: 2em;
  margin-block-start: 0.5em;
  margin-block-end: 0.5em;
}
ul ul, ul ol, ol ul, ol ol {
  padding-inline-start: 1.2em;
}
ul blockquote, ol blockquote {
  padding-left: 0.8em;
  margin-left: 0.2em;
  margin-right: 0.5em;
}

ol ::marker, ul ::marker {
  color: var(--color-bullet);
}

ol > li ul > li {
  list-style-type: initial;
}
ol > li ol > li {
  list-style: lower-alpha;
}
ol > li ol > li ol > li {
  list-style: lower-greek;
}

ul > li > ul > li {
  list-style-type: initial;
}
ul > li > ul > li ul > li {
  list-style-type: initial;
}

details summary {
  cursor: pointer;
  list-style: none;
}
details summary::-webkit-details-marker, details summary::marker {
  display: none;
}
details summary::before {
  content: "▶︎";
  margin-right: 5px;
  font-size: 0.9em;
  color: var(--color-bullet);
}
details[open] summary::before {
  content: "▼︎";
}

details > *:not(summary) {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    margin-top: -10px;
  }
  to {
    opacity: 1;
    margin-top: 0;
  }
}
table {
  table-layout: fixed;
}
table tr:nth-child(odd) {
  background-color: var(--color-row-odd, "#2a2a2a");
}
table th, table tr:nth-child(even) {
  background-color: var(--color-row-even, "#2f2f2f");
}
table td, table th {
  word-break: normal;
  vertical-align: top;
  padding: 7px;
}

html {
  --c1: #005F73;
  --c2: #03989E;
  --c3: #CA6702;
  --c4: #EE9B00;
  --c5: #355691;
  --c6: #4073A0;
  --c7: #3C5A14;
  --c8: #598B2C;
  --c9: #5F0A87;
  --c10: #9D4EDD;
  --c11: #D81B60;
  --c12: #F06292;
  --c13: #3E2723;
  --c14: #795548;
  --c15: #C62828;
  --c16: #EF5350;
  --c17: #2E7D32;
  --c18: #66BB6A;
  --c19: #212529;
  --c20: #495057;
}

.c1 {
  background-image: linear-gradient(225deg, #005F73 50%, transparent 50%);
  border-top-color: #005F73;
}
.c1 .control a, .c1 .header a {
  color: #005F73;
}
.c1 .control .button, .c1 .header .button {
  background-color: #005F73;
}
.c1 .body .card-color {
  color: #005F73;
}
.c1 .body code, .c1 .body .due {
  color: white;
  background-color: #005F73;
}
.c1 .body .item:not(:first-child) {
  border-color: #005F73;
}
.c1.current .control {
  background-color: #005F73;
}

.c2 {
  background-image: linear-gradient(225deg, #03989E 50%, transparent 50%);
  border-top-color: #03989E;
}
.c2 .control a, .c2 .header a {
  color: #03989E;
}
.c2 .control .button, .c2 .header .button {
  background-color: #03989E;
}
.c2 .body .card-color {
  color: #03989E;
}
.c2 .body code, .c2 .body .due {
  color: white;
  background-color: #03989E;
}
.c2 .body .item:not(:first-child) {
  border-color: #03989E;
}
.c2.current .control {
  background-color: #03989E;
}

.c3 {
  background-image: linear-gradient(225deg, #CA6702 50%, transparent 50%);
  border-top-color: #CA6702;
}
.c3 .control a, .c3 .header a {
  color: #CA6702;
}
.c3 .control .button, .c3 .header .button {
  background-color: #CA6702;
}
.c3 .body .card-color {
  color: #CA6702;
}
.c3 .body code, .c3 .body .due {
  color: white;
  background-color: #CA6702;
}
.c3 .body .item:not(:first-child) {
  border-color: #CA6702;
}
.c3.current .control {
  background-color: #CA6702;
}

.c4 {
  background-image: linear-gradient(225deg, #EE9B00 50%, transparent 50%);
  border-top-color: #EE9B00;
}
.c4 .control a, .c4 .header a {
  color: #EE9B00;
}
.c4 .control .button, .c4 .header .button {
  background-color: #EE9B00;
}
.c4 .body .card-color {
  color: #EE9B00;
}
.c4 .body code, .c4 .body .due {
  color: white;
  background-color: #EE9B00;
}
.c4 .body .item:not(:first-child) {
  border-color: #EE9B00;
}
.c4.current .control {
  background-color: #EE9B00;
}

.c5 {
  background-image: linear-gradient(225deg, #355691 50%, transparent 50%);
  border-top-color: #355691;
}
.c5 .control a, .c5 .header a {
  color: #355691;
}
.c5 .control .button, .c5 .header .button {
  background-color: #355691;
}
.c5 .body .card-color {
  color: #355691;
}
.c5 .body code, .c5 .body .due {
  color: white;
  background-color: #355691;
}
.c5 .body .item:not(:first-child) {
  border-color: #355691;
}
.c5.current .control {
  background-color: #355691;
}

.c6 {
  background-image: linear-gradient(225deg, #4073A0 50%, transparent 50%);
  border-top-color: #4073A0;
}
.c6 .control a, .c6 .header a {
  color: #4073A0;
}
.c6 .control .button, .c6 .header .button {
  background-color: #4073A0;
}
.c6 .body .card-color {
  color: #4073A0;
}
.c6 .body code, .c6 .body .due {
  color: white;
  background-color: #4073A0;
}
.c6 .body .item:not(:first-child) {
  border-color: #4073A0;
}
.c6.current .control {
  background-color: #4073A0;
}

.c7 {
  background-image: linear-gradient(225deg, #3C5A14 50%, transparent 50%);
  border-top-color: #3C5A14;
}
.c7 .control a, .c7 .header a {
  color: #3C5A14;
}
.c7 .control .button, .c7 .header .button {
  background-color: #3C5A14;
}
.c7 .body .card-color {
  color: #3C5A14;
}
.c7 .body code, .c7 .body .due {
  color: white;
  background-color: #3C5A14;
}
.c7 .body .item:not(:first-child) {
  border-color: #3C5A14;
}
.c7.current .control {
  background-color: #3C5A14;
}

.c8 {
  background-image: linear-gradient(225deg, #598B2C 50%, transparent 50%);
  border-top-color: #598B2C;
}
.c8 .control a, .c8 .header a {
  color: #598B2C;
}
.c8 .control .button, .c8 .header .button {
  background-color: #598B2C;
}
.c8 .body .card-color {
  color: #598B2C;
}
.c8 .body code, .c8 .body .due {
  color: white;
  background-color: #598B2C;
}
.c8 .body .item:not(:first-child) {
  border-color: #598B2C;
}
.c8.current .control {
  background-color: #598B2C;
}

.c9 {
  background-image: linear-gradient(225deg, #5F0A87 50%, transparent 50%);
  border-top-color: #5F0A87;
}
.c9 .control a, .c9 .header a {
  color: #5F0A87;
}
.c9 .control .button, .c9 .header .button {
  background-color: #5F0A87;
}
.c9 .body .card-color {
  color: #5F0A87;
}
.c9 .body code, .c9 .body .due {
  color: white;
  background-color: #5F0A87;
}
.c9 .body .item:not(:first-child) {
  border-color: #5F0A87;
}
.c9.current .control {
  background-color: #5F0A87;
}

.c10 {
  background-image: linear-gradient(225deg, #9D4EDD 50%, transparent 50%);
  border-top-color: #9D4EDD;
}
.c10 .control a, .c10 .header a {
  color: #9D4EDD;
}
.c10 .control .button, .c10 .header .button {
  background-color: #9D4EDD;
}
.c10 .body .card-color {
  color: #9D4EDD;
}
.c10 .body code, .c10 .body .due {
  color: white;
  background-color: #9D4EDD;
}
.c10 .body .item:not(:first-child) {
  border-color: #9D4EDD;
}
.c10.current .control {
  background-color: #9D4EDD;
}

.c11 {
  background-image: linear-gradient(225deg, #D81B60 50%, transparent 50%);
  border-top-color: #D81B60;
}
.c11 .control a, .c11 .header a {
  color: #D81B60;
}
.c11 .control .button, .c11 .header .button {
  background-color: #D81B60;
}
.c11 .body .card-color {
  color: #D81B60;
}
.c11 .body code, .c11 .body .due {
  color: white;
  background-color: #D81B60;
}
.c11 .body .item:not(:first-child) {
  border-color: #D81B60;
}
.c11.current .control {
  background-color: #D81B60;
}

.c12 {
  background-image: linear-gradient(225deg, #F06292 50%, transparent 50%);
  border-top-color: #F06292;
}
.c12 .control a, .c12 .header a {
  color: #F06292;
}
.c12 .control .button, .c12 .header .button {
  background-color: #F06292;
}
.c12 .body .card-color {
  color: #F06292;
}
.c12 .body code, .c12 .body .due {
  color: white;
  background-color: #F06292;
}
.c12 .body .item:not(:first-child) {
  border-color: #F06292;
}
.c12.current .control {
  background-color: #F06292;
}

.c13 {
  background-image: linear-gradient(225deg, #3E2723 50%, transparent 50%);
  border-top-color: #3E2723;
}
.c13 .control a, .c13 .header a {
  color: #3E2723;
}
.c13 .control .button, .c13 .header .button {
  background-color: #3E2723;
}
.c13 .body .card-color {
  color: #3E2723;
}
.c13 .body code, .c13 .body .due {
  color: white;
  background-color: #3E2723;
}
.c13 .body .item:not(:first-child) {
  border-color: #3E2723;
}
.c13.current .control {
  background-color: #3E2723;
}

.c14 {
  background-image: linear-gradient(225deg, #795548 50%, transparent 50%);
  border-top-color: #795548;
}
.c14 .control a, .c14 .header a {
  color: #795548;
}
.c14 .control .button, .c14 .header .button {
  background-color: #795548;
}
.c14 .body .card-color {
  color: #795548;
}
.c14 .body code, .c14 .body .due {
  color: white;
  background-color: #795548;
}
.c14 .body .item:not(:first-child) {
  border-color: #795548;
}
.c14.current .control {
  background-color: #795548;
}

.c15 {
  background-image: linear-gradient(225deg, #C62828 50%, transparent 50%);
  border-top-color: #C62828;
}
.c15 .control a, .c15 .header a {
  color: #C62828;
}
.c15 .control .button, .c15 .header .button {
  background-color: #C62828;
}
.c15 .body .card-color {
  color: #C62828;
}
.c15 .body code, .c15 .body .due {
  color: white;
  background-color: #C62828;
}
.c15 .body .item:not(:first-child) {
  border-color: #C62828;
}
.c15.current .control {
  background-color: #C62828;
}

.c16 {
  background-image: linear-gradient(225deg, #EF5350 50%, transparent 50%);
  border-top-color: #EF5350;
}
.c16 .control a, .c16 .header a {
  color: #EF5350;
}
.c16 .control .button, .c16 .header .button {
  background-color: #EF5350;
}
.c16 .body .card-color {
  color: #EF5350;
}
.c16 .body code, .c16 .body .due {
  color: white;
  background-color: #EF5350;
}
.c16 .body .item:not(:first-child) {
  border-color: #EF5350;
}
.c16.current .control {
  background-color: #EF5350;
}

.c17 {
  background-image: linear-gradient(225deg, #2E7D32 50%, transparent 50%);
  border-top-color: #2E7D32;
}
.c17 .control a, .c17 .header a {
  color: #2E7D32;
}
.c17 .control .button, .c17 .header .button {
  background-color: #2E7D32;
}
.c17 .body .card-color {
  color: #2E7D32;
}
.c17 .body code, .c17 .body .due {
  color: white;
  background-color: #2E7D32;
}
.c17 .body .item:not(:first-child) {
  border-color: #2E7D32;
}
.c17.current .control {
  background-color: #2E7D32;
}

.c18 {
  background-image: linear-gradient(225deg, #66BB6A 50%, transparent 50%);
  border-top-color: #66BB6A;
}
.c18 .control a, .c18 .header a {
  color: #66BB6A;
}
.c18 .control .button, .c18 .header .button {
  background-color: #66BB6A;
}
.c18 .body .card-color {
  color: #66BB6A;
}
.c18 .body code, .c18 .body .due {
  color: white;
  background-color: #66BB6A;
}
.c18 .body .item:not(:first-child) {
  border-color: #66BB6A;
}
.c18.current .control {
  background-color: #66BB6A;
}

.c19 {
  background-image: linear-gradient(225deg, #212529 50%, transparent 50%);
  border-top-color: #212529;
}
.c19 .control a, .c19 .header a {
  color: #212529;
}
.c19 .control .button, .c19 .header .button {
  background-color: #212529;
}
.c19 .body .card-color {
  color: #212529;
}
.c19 .body code, .c19 .body .due {
  color: white;
  background-color: #212529;
}
.c19 .body .item:not(:first-child) {
  border-color: #212529;
}
.c19.current .control {
  background-color: #212529;
}

.c20 {
  background-image: linear-gradient(225deg, #495057 50%, transparent 50%);
  border-top-color: #495057;
}
.c20 .control a, .c20 .header a {
  color: #495057;
}
.c20 .control .button, .c20 .header .button {
  background-color: #495057;
}
.c20 .body .card-color {
  color: #495057;
}
.c20 .body code, .c20 .body .due {
  color: white;
  background-color: #495057;
}
.c20 .body .item:not(:first-child) {
  border-color: #495057;
}
.c20.current .control {
  background-color: #495057;
}

.paginator-container {
  max-width: var(--content-width);
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.paginator {
  width: 150px;
}
.paginator a {
  display: block;
  font-size: 14px;
  line-height: 1.3;
}
.paginator img {
  object-fit: cover;
  width: 100%;
  height: 100px;
}
.paginator.next a {
  text-align: right;
}

.pull-left, .pull-right {
  color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.pull-left {
  flex-direction: row-reverse;
}

.video-background {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}
.video-background iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/****************************************/
/*                                      */
/*         Section 1: The Looks         */
/*                                      */
/****************************************/
/* 1. The Main Container */
div.essential_audio {
  position: relative;
  z-index: 0;
  width: 100%;
}

/* 2. The Player Button – General */
div.essential_audio > div:nth-child(1) div {
  width: 28px;
  height: 28px;
  margin-top: -13px;
  border-radius: 14px;
  color: var(--color-fg);
  background-color: var(--color-link);
}

div.essential_audio > div:nth-child(1) div:after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
}

/* Set here how much the button exceeds the horizontal track limits: */
/* This must not be deleted! (but can be changed, of course) */
:root {
  --button-protrusion: 4px;
}

/* 2.a) The Player Button – Off */
div.essential_audio > div:nth-child(1) div.off:after {
  content: url("data:image/svg+xml; utf8, <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><polygon fill='%23FFF' points='10,6.9 10,23.1 24,15' /></svg>");
}

/* 2.b) The Player Button – Loading */
div.essential_audio > div:nth-child(1) div.load:after {
  content: url("data:image/svg+xml; utf8, <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><circle opacity='0.64' fill='%23FFFFFF' cx='6.5' cy='18.5' r='2'/><circle opacity='0.76' fill='%23FFFFFF' cx='6.5' cy='11.5' r='2'/><circle opacity='0.88' fill='%23FFFFFF' cx='11.5' cy='6.5' r='2'/><circle fill='%23FFFFFF' cx='18.5' cy='6.5' r='2'/><circle opacity='0.16' fill='%23FFFFFF' cx='23.5' cy='11.5' r='2'/><circle opacity='0.28' fill='%23FFFFFF' cx='23.5' cy='18.5' r='2'/><circle opacity='0.4' fill='%23FFFFFF' cx='18.5' cy='23.4' r='2'/><circle opacity='0.52' fill='%23FFFFFF' cx='11.5' cy='23.4' r='2'/></svg>");
  animation: audio_load_rotate 1s infinite linear;
}

@keyframes audio_load_rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
/* 2.c) The Player Button – Playing */
div.essential_audio > div:nth-child(1) div.play {
  background-color: var(--color-link) !important;
}

div.essential_audio > div:nth-child(1) div.play:after {
  content: url("data:image/svg+xml; utf8, <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><rect fill='%23FFF' x='17' y='8' width='3' height='14' /><rect fill='%23FFF' x='10' y='8' width='3' height='14' /></svg>");
}

/* 2.d) The Player Button – Dragging */
div.essential_audio > div:nth-child(1) div.drag {
  transition: left 0s !important;
  /*
  cursor: grab!important;
  */
}

/* 2.e) The Player Button – Error */
div.essential_audio > div:nth-child(1) div.error {
  background-color: rgba(0, 0, 0, 0.35) !important;
}

div.essential_audio > div:nth-child(1) div.error:after {
  content: url("data:image/svg+xml; utf8, <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'><path fill='%23FFF' d='M13.9,18.6c0-0.3,0-0.5,0-0.9c0-1.6,0.6-2.9,2.1-3.9l1.1-0.8c0.9-0.6,1.3-1.5,1.3-2.4c0-1.5-1-2.8-3-2.8c-2.2,0-3.1,1.6-3.1,3.2c0,0.2,0,0.4,0,0.5L10,11.9c-0.1-0.3-0.1-0.8-0.1-1.2c0-2.3,1.7-5.1,5.5-5.1c3.5,0,5.5,2.5,5.5,5c0,2-1.1,3.4-2.5,4.3l-1.2,0.8c-0.8,0.5-1.1,1.4-1.1,2.4c0,0.1,0,0.2,0,0.5H13.9z'/><path fill='%23FFF' d='M15,20.8c1,0,1.8,0.8,1.8,1.8S16,24.4,15,24.4c-1,0-1.8-0.8-1.8-1.8S14,20.8,15,20.8z'/></svg>");
}

/* 3. The Track */
div.essential_audio > div:nth-child(2) {
  height: 2px;
}

div.essential_audio > div:nth-child(2):after {
  content: "";
  position: absolute;
  z-index: 0;
  background-color: #000;
  opacity: 0.3;
  mix-blend-mode: multiply;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
}

/* 4. The Loading Progress Bar */
div.essential_audio > div:nth-child(2) div {
  background-color: var(--color-link);
  mix-blend-mode: multiply;
}

/* 5. The Klick & Drag Sensor */
div.essential_audio > div:nth-child(3) {
  height: 12px;
  margin-top: -5px;
}

/****************************************/
/*                                      */
/*        Section 2: Core Values        */
/*                                      */
/****************************************/
/* 1. The Main Container + General Settings */
div.essential_audio,
div.essential_audio * {
  user-select: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-overflow-scrolling: auto;
}

div.essential_audio *:focus {
  outline: none;
}

/* 2. The Player Button */
div.essential_audio > div:nth-child(1) div {
  position: absolute;
  top: 0px;
  left: 0px;
  cursor: pointer;
}

/* 2.a) Container for Player Button */
div.essential_audio > div:nth-child(1) {
  position: absolute;
  z-index: 3;
  height: 0px;
  top: 0px;
  left: calc(var(--button-protrusion) * -1);
  width: calc(100% + 2 * var(--button-protrusion));
}

/* 3. The Track */
div.essential_audio > div:nth-child(2) {
  position: relative;
  width: 100%;
  overflow: hidden;
}

/* 4. The Loading Progress Bar */
div.essential_audio > div:nth-child(2) div {
  position: absolute;
  z-index: 1;
  width: 0%;
  height: 100%;
  top: 0px;
  left: 0px;
  transition: width 0.5s;
}

/* 5. The Klick & Drag Sensor */
div.essential_audio > div:nth-child(3) {
  position: absolute;
  z-index: 2;
  width: 100%;
  top: 0px;
  left: 0px;
}

.logo-static {
  display: flex;
  align-items: center;
  text-decoration: none;
  text-align: center;
  font-family: var(--font-special);
  flex-direction: column;
  z-index: 2;
}
.logo-static a {
  color: var(--color-theme);
  display: inline-block;
}
.logo-static a.logo-name {
  margin: 3px 0;
}
.logo-static img {
  width: var(--icon-logo-size);
  height: var(--icon-logo-size);
}
.logo-static .progress-wrapper {
  position: relative;
  display: inline-block;
  line-height: 0;
  width: var(--icon-logo-size);
  height: var(--icon-logo-size);
}
.logo-static .progress-wrapper .progress-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  pointer-events: none;
}
.logo-static .progress-wrapper .progress-ring .progress-ring__bar {
  fill: none;
  stroke-linecap: round;
  stroke-width: 5;
  stroke: var(--color-theme);
  stroke-dasharray: 301.6;
  stroke-dashoffset: 301.6;
  transition: stroke-dashoffset 0.18s ease;
  stroke-dashoffset: 301.6;
}
.logo-static.fixed {
  flex-direction: row-reverse;
  position: fixed;
  right: 5px;
  top: 5px;
  opacity: 0.8;
}
.logo-static.fixed img {
  transform: scale(0.6);
}
.logo-static.fixed .progress-ring {
  transform: rotate(-90deg) scale(0.7);
}
.logo-static.fixed.bottom {
  opacity: 1;
  bottom: 70px;
  top: unset;
}

:root {
  --color1: lightyellow;
  --color1h: #ebebbb;
  --color1f: #666658;
  --color2: lightgreen;
  --color2h: #6bd76b;
  --color2f: #395f39;
  --colorFade: rgba(0, 0, 0, 0.6);
}

.bubble-container {
  display: flex;
}
.bubble-container.left {
  justify-content: flex-start;
}
.bubble-container.right {
  justify-content: flex-end;
}

.talk-bubble {
  margin: 10px 35px;
  display: inline-block;
  position: relative;
  height: auto;
  color: #222;
}
.talk-bubble.left {
  margin-right: 60px;
  background-color: lightyellow;
}
.talk-bubble.left a {
  color: inherit;
  background-color: #ebebbb;
}
.talk-bubble.right {
  margin-left: 60px;
  background-color: lightgreen;
}
.talk-bubble.right a {
  color: inherit;
  background-color: #6bd76b;
}

.border {
  border: 8px solid rgba(0, 0, 0, 0.6);
}

.round {
  border-radius: 30px;
}

.tri-right.left-in:before, .tri-right.left-in:after {
  content: " ";
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}
.tri-right.left-in:before {
  border: 20px solid;
  border-color: #666658;
}
.tri-right.left-in:after {
  border: 12px solid;
  border-color: lightyellow;
}
.tri-right.left-in:before {
  left: -40px;
  top: 12px;
  border-color: #666658 #666658 transparent transparent;
}
.tri-right.left-in:after {
  left: -20px;
  top: 20px;
  border-color: lightyellow lightyellow transparent transparent;
}
.tri-right.left-in.border:before, .tri-right.left-in.border:after {
  content: " ";
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}
.tri-right.left-in.border:before {
  border: 20px solid;
  border-color: #666658;
}
.tri-right.left-in.border:after {
  border: 12px solid;
  border-color: lightyellow;
}
.tri-right.left-in.border:before {
  left: -40px;
  top: 12px;
  border-color: #666658 #666658 transparent transparent;
}
.tri-right.left-in.border:after {
  left: -20px;
  top: 20px;
  border-color: lightyellow lightyellow transparent transparent;
}
.tri-right.right-in:before, .tri-right.right-in:after {
  content: " ";
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}
.tri-right.right-in:before {
  border: 20px solid;
  border-color: #395f39;
}
.tri-right.right-in:after {
  border: 12px solid;
  border-color: lightgreen;
}
.tri-right.right-in:before {
  right: -40px;
  top: 12px;
  border-color: #395f39 transparent transparent #395f39;
}
.tri-right.right-in:after {
  right: -20px;
  top: 20px;
  border-color: lightgreen transparent transparent lightgreen;
}
.tri-right.right-in.border:before, .tri-right.right-in.border:after {
  content: " ";
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}
.tri-right.right-in.border:before {
  border: 20px solid;
  border-color: #395f39;
}
.tri-right.right-in.border:after {
  border: 12px solid;
  border-color: lightgreen;
}
.tri-right.right-in.border:before {
  right: -40px;
  top: 12px;
  border-color: #395f39 transparent transparent #395f39;
}
.tri-right.right-in.border:after {
  right: -20px;
  top: 20px;
  border-color: lightgreen transparent transparent lightgreen;
}

.talktext {
  padding: 1em;
  text-align: left;
  font-family: var(--font-tertiary);
}
.talktext .index {
  position: absolute;
  top: -14px;
  display: flex;
  width: 30px;
  font-size: 20px;
  line-height: 29px;
  white-space: nowrap;
}
.left .talktext .index {
  color: lightyellow;
  left: -31px;
  justify-content: flex-end;
}
.right .talktext .index {
  color: lightgreen;
  right: -37px;
  justify-content: flex-start;
}

u {
  text-decoration-thickness: from-font;
}

.left u {
  text-decoration-color: #666658;
}

.right u {
  text-decoration-color: #395f39;
}

.course-popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}
.course-popup.show {
  opacity: 1;
  visibility: visible;
}
.course-popup .card-tab {
  max-width: 90%;
  width: 480px;
  max-height: 85vh;
  position: relative;
  height: initial;
}
.course-popup .body {
  overflow-y: auto;
}