http-server/styles/extend.css

@font-face {
  font-family: Cascadia;
  src: url("/resources/CascadiaMonoPL.woff2");
}

body {
    color: #444;
    font-size: 1.2em;
}

.link {
  text-decoration: none;
  color: #1e90ff;
}

.link :visited {
  color: #1e90ff;
}

table {
  display: block;
  margin-top: 1em;
  margin-bottom: 1em;
  margin-left: auto;
  margin-right: auto;
  width: 60%;

  text-align: left;
  border-collapse: collapse;
}

th {
  padding: 0.25em 0.25em 0.25em 0.25em;
  border: 2px solid;
  border-collapse: collapse;
}

td {
  padding: 0.25em 0.25em 0.25em 0.25em;
  border: 2px solid;
  border-collapse: collapse;
}

/* https://css-loaders.com/spinner/ */
/* HTML: <div class="loader"></div> */
.loading {
  width: 512px;
  padding: 8px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #25b09b;
  --_m: 
    conic-gradient(#0000 10%,#000),
    linear-gradient(#000 0 0) content-box;
  -webkit-mask: var(--_m);
          mask: var(--_m);
  -webkit-mask-composite: source-out;
          mask-composite: subtract;
  animation: l3 1s infinite linear;
}
@keyframes l3 {to{transform: rotate(1turn)}}


.centered {
  display: block;
  margin-top: 1em;
  margin-bottom: 1em;
  margin-left: auto;
  margin-right: auto;
  justify-content: center;
  width: 50%;
}

.pure-img-responsive { max-width: 100%; height: auto;
}

.cascadia {
  font-family: Cascadia;
}

.home-menu {
    padding: 0.5em;
    text-align: center;
    box-shadow: 0 1px 1px rgba(0,0,0, 0.10);
}
.home-menu {
    background: #333;
}

.home-menu a {
    color: #ccc;
}

.home-menu li a:hover,
.home-menu li a:focus {
    animation: menu-hover-anim 0.25s ease-out;
    animation-fill-mode: forwards;
    background: none;
    border: none;
}


.link {
  color: #00f;
  text-decoration: none;
}


.video {
  text-align: center;
}

.video iframe {
  width: 32em;
  height: 18em;
  frameborder: "0";
}

/*
Add transition to containers so they can push in and out.
*/
#layout,
#menu,
.menu-link {
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -ms-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
}

/*
This is the parent `<div>` that contains the menu and the content area.
*/
#layout {
    position: relative;
    left: 0;
    padding-left: 0;
}
    #layout.active #menu {
        left: 150px;
        width: 150px;
    }

    #layout.active .menu-link {
        left: 150px;
    }
/*
The content `<div>` is where all your content goes.
*/
.content {
    margin: 0 auto;
    padding: 0 2em;
    max-width: 800px;
    margin-bottom: 50px;
    line-height: 1.6em;
    text-align: justify;
}

header {
     margin: 0;
     color: #444;
     text-align: center;
     padding: 2.5em 4em 0;
     border-bottom: 1px solid #eee;
 }
    header h1 {
        margin: 0.2em 0;
        font-size: 2.5em;
        font-weight: bold;
    }
     header h2 {
        font-weight: 300;
        color: #888;
        padding: 0;
        margin-top: 0;
    }

.distinct {
  background-color: #444;
  color: #fff;
  padding: 0.5em 0.5em 0.5em 0.5em;
}

/* @keyframes card-hover-anim { */
/*   to {background-color: #ccc;} */
/* } */
/* @keyframes card-text-hover-anim { */
/*   to {color: #222;} */
/* } */

.spaced {
  padding: 0.5em 0.5em 0.5em 0.5em;
  margin: 1em 0em 1em 0em;
}

svg {
  width: 1em;
  vertical-align: middle;
}

.card {
  background-color: #eee;
  text-decoration: none;
  text-align: left;
}

  .card h1 {
    /* color: #444; */
  }
  .card h2 {
    color: #777;
  }
  .card h3 {
    color: #999;
  }
  /* .card a { */
  /*   text-decoration: none; */
  /*   display: block; */
  /* } */

  .card:hover {
    animation: card-hover-anim 0.25s ease-out;
    animation-fill-mode: forwards;
  }


  /* .card:hover h3 { */
  /*   animation: card-text-hover-anim 0.25s ease-out; */
  /*   animation-fill-mode: forwards; */
  /* } */

  .card img {
    vertical-align: bottom;
    float: right;
    padding: 0em 0.1em 0em 0.1em;
    width: 60px;
  }
  .card svg {
    vertical-align: bottom;
    float: right;
    padding: 0em 0.1em 0em 0.1em;
    width: 3em;
    height: auto;
  }


.content-subhead {
    margin: 50px 0 20px 0;
    font-weight: 300;
    color: #444;
}

code {
  font-family: Cascadia;
}

.code-block {
  /* background-color: #fdf6e3;  */
  background-color: #eee;
  color: #002b36;
  font-family: Cascadia;
  font-size: 0.85em;
  padding: 0em 0.5em 0em 0.5em;
  margin: 1em 0em 1em 0em;
  page-break-inside: avoid;
  display: block;
  overflow: auto;
  word-wrap: break-word;
  max-width: 100%;
}
.code-block pre {
  display: block;
  margin: 0 0 0 0;
  padding: 0 0 0 0;
}

.code-block pre code {
  font-family: Cascadia;
  display: block;
  white-space: pre-wrap;
}
.code-block span {
  /* background-color: #fdf6e3; */
  background-color: #eee;
}
  .keyword {
    color: #6c71c4;
  }
  .constant {
    color: #cb4b16;
  }
  .function {
    color: #268bd2;
  }
  .operator {
    color: #6c71c4;
  }
  .punctuation {
    color: #586e75;
  }
  .string {
    color: #859900;
  }
  .type {
    color: #2aa198;
  }
  .property {
    color: #586e75;
  }