codex.css

html {
  font-size: 62.5%;
  // font-size: 0.7vw;
  font-size: 0.7vh;
  padding: 0;
}
body {
  // background-color: #000;
  background-color: #444;
  color: #fff;
  font-size: 1.8rem;
  font-family: sans-serif;
  background-image: url('img/galaxy2.jpg');
  background-size: cover;
  background-position: center;
  padding: 0; margin: 0;
}

a {
  color: #dff;
  -webkit-transition: all 0.66s;
          transition: all 0.66s;
}
a:hover {
  color: #fff;
}
.main {
}

.intro-text {
  text-align: center;
  padding-top: 30%;
  pointer-events: none;
  font-size: 1.9rem;
  font-family: sans-serif;
  font-variant: small-caps;
  text-shadow: 1px 4px 6px #000;
  opacity: 0;
  -webkit-transition: all 3.66s;
          transition: all 3.66s;
}
.intro-text.active {
  opacity: 1;
}
.main-header {
  position: relative;
  background-color: #000;
  border-bottom: 1px solid #333;
  display: block;
  width: 100%;
  font-family: monospace;
  text-align: center;
  padding: 1rem 0;
}

img { margin: 0; padding: 0; }

.menubuttons {
  position: absolute;
  text-decoration: none;
  display: inline-flex;
  right: 0;
  top: 0;
  padding: 0;
  height: 100%;
  color: #888;
  line-height: 7rem;
  font-family: sans-serif;
  font-weight: bold;
}
.menubuttons a {
  height: 100%;
  display: inline-block;
  margin: 0;
} .menubuttons a:hover, .menubuttons a:focus {
  background-color: #fff;
  color: #000;
  outline: none;
}

.gh {
  margin: 3px;
}
.helptoggle {
  text-decoration: none;
  padding: 0; margin: 0;
  // border: 1px solid #333;
  height: 100%;
  width: 6rem;
  color: #888;
  font-size: 3rem;
}

.helptoggle:hover, .helptoggle:focus {
  background-color: #fff;
  color: #000;
}
.helptext {
  background-color: rgba(0,0,0,0.9);
  color: #ccc;
  position: fixed;
  right: -200%;
  width: 60rem;
  max-width: 80vw;
  height: 100%;
  line-height: 150%;
  border-left: 1px solid #555;
  padding: 0 6rem;
  z-index: 2000;
  text-overflow: scroll;
  -webkit-transition: all 0.66s;
          transition: all 0.66s;
}
.helptext.active {
  right: 0;
}
/* CSS class chema for this.
  pane is the base "panel" which is the root of all nodes.

  - when it also contains .center, it means it's the central node.
  There should only be one center at a time.
  - small means it's an immediate neighbor of center - which will be arranged
    radially below.
  - radiation means it's a node that's known, but not actively related to the
    current context, and will be in the background.
*/
.pane {
  position: fixed;
  background-color: rgba(0,0,0,0.8);
  border: 1px solid #888;
  padding: 0;

  top: 50%; left: 50%;
  // max-height: 50rem;

  max-width: 96vw;

  margin: auto;
  cursor: default;
  overflow: hidden;
  // text-overflow: ellipsis;
  line-height: 1.6;
  color: #ccc;
  // border-radius: 30%;
  transform-origin: center;
  opacity: 0;

  -webkit-transform: translate(-50%, -50%);
  -webkit-transition: all 1.2s;
          transition: all 1.2s;
}
/* The currently viewed wikipanel. */
.pane.center {
  box-shadow: 0,1,10,rgba(0,0,0,0.5);
  opacity: 0.9 !important;
  z-index: 100;
  width: 40vh;
  height: 50vh;
}
.pane.center:hover { z-index: 1000; }

.pane-link {
  position: absolute;
  background-color: rgba(0,0,0,0.5);
  font-size: 80%;
  font-variant: small-caps;
  padding: 1rem 1rem;
  text-decoration: none;
  -webkit-transition: opacity 0.5s;
          transition: opacity 0.5s;
}
.pane-link:hover {
  background-color: rgba(255,255,255,0.5);
  cursor: pointer;
}

.pane-full-link {
  top:0;right:0;
}
.pane-minimize {
  top:0;left:0;
}

.pane-main-image {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  // height: auto;
  z-index: -1;
  // max-height: 80rem;
}
.pane-main-image-buffer {
  /* Only necessary when pane-main-image is there. */
  height: 18vh;
  display: block;
}

.pane-content {
  background-color: rgba(0,0,0,0.77);
  // min-height: 37rem;
  height: 50vh;
  padding: 3rem 5rem 0;
}
.pane-header {
  font-size: 150%;
  margin-bottom: 1rem;
  border-bottom: 1px solid #888;
  font-variant: small-caps;
}

.pane-excerpt {
  font-size: 100%;
  line-height: 1.6;
  overflow: scroll;
  // max-height: 30rem;
  max-height: 25vh;
}
.thumbnail {
  display: inline-block;
}

.pane.small.placed {
  opacity: 0.7;
}
.pane.small {
  position: fixed;
  font-size: 100%;
  font-weight: 900;
  min-width: 10rem; min-height: 10rem;
  width: 10rem; height: 10rem;
  // max-height: 20rem;
  margin: 2rem;
  display: inline-block;
  border-radius: 100%;
  -webkit-transition: all 0.66s;
    transition: all 0.66s;
  text-align: center;
  border-color: #000;
  // background-color: rgba(255,255,255,0.8);
}
/* After the panel has been moved to a reasonable spot. */
.pane.small:hover {
  opacity: 1;
  cursor: pointer;
  overflow: visible;
  // padding: 2.5rem;
  box-shadow: 0 0 23px 6px rgba(255,255,255,0.5);
  // box-shadow: 0 0 23px 23px rgba(0,0,0,0.8);
  border-color: #111;
  z-index: 1000;
}

.pane .label {
  width: 200%;
  height: 100%;
  padding-top: 35%;
  text-transform: uppercase;
  text-align: center;
  // color: #000;
  font-size: 1.4rem;
  -webkit-transform: translateX(-25%);
}
.pane.small:hover .label {
  color: #fff;
  text-shadow: 1px 4px 6px #000;
}
/* radiation styles */
.pane.radiation {
  z-index: 0;
  max-width: 5rem;
  max-height: 5rem;
  width: 2.3rem; height: 2.3rem;
  background-color: #fff;
  opacity: 0.8;
  border-radius: 100%;
  font-size: 0.3rem;
  padding: 0;
  box-shadow: 0 0 8px 2px rgba(255,255,255,0.8);
} .pane.radiation:hover {
  /* These can still be interacted with. */
  box-shadow: 0 0 23px 23px #fff;
  cursor: pointer;
  overflow: visible;
  border-color: #aaa;
}

.pane.radiation .label {
  // position: absolute;
  font-size: 1rem;
}
.pane.radiation:hover .label {
  color: #000;
  // text-shadow: 0,0,1px, #fcf;
  text-shadow: 1px 4px 6px #fff;
}
/* Once its become a star, slow it way down. */
.pane.radiation.star {
  -webkit-transition: all 0.66s, left 53s, top 53s;
          transition: all 0.66s, left 53s, top 53s;
}

.edges {
  position: fixed; left: 0; top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  stroke: rgb(255,255,255,0.3);
  stroke-width: 1;
  z-index: -10;
}


.initial-orbs {
  display: block;
  text-align: center;
  width: 100%;
  margin-top: 5rem;
}
.orb {
  display: inline-block;
  // padding: 3rem;
  height: 11rem; width: 11rem;
  // left: 50%;
  font-size: 2rem; text-align: center;
  line-height: 10rem;
  color: #888;
  // bottom: -20rem;
  background-color: #000;
  border-radius: 100%;
  text-decoration: none;
  // -webkit-transform: translate(-50%, -50%);
          // transform: translate(-50%, -50%);
  box-shadow: 0 0 0 5 #000;
  cursor: pointer;
  font-variant: small-caps;
}
.orb:hover {
  color: #fff;
  box-shadow: 0 0 23px 23px rgba(255,255,255,0.8);
}
.orb:active {
  box-shadow: 0 0 23px 23px rgba(0,0,0,0.8);
  color: #000;
}

.level1 {
  display: block;
  padding: 3rem;
  height: 5rem; width: 5rem;
  position: fixed;
  left: 50%; top: 75vh;
  font-size: 5rem; text-align: center;
  line-height: 5rem;
  color: #888;
  // bottom: -20rem;
  background-color: #000;
  border-radius: 100%;
  text-decoration: none;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  box-shadow: 0 0 12px 2px rgba(255,0,255,0.3);
  opacity: 0.6;
  z-index: 400;
}
.level1::after {
  opacity: 0;
  -webkit-transition: opacity 3s;
          transition: opacity 3s;
}
.level1:hover, .level1:focus {
  color: #fff;
  box-shadow: 0 0 23px 23px rgba(255,255,255,0.8);
  opacity: 0.9;
  z-index: 500;
}
.level1:active {
  box-shadow: 0 0 23px 23px rgba(0,0,0,0.8);
  color: #000;
}
.level1.hidden {
  opacity: 0;
  pointer-events: none;
}

.level1:hover::after {
  position: absolute;
  content: 'Enumerate Adjacent Nodes';
  font-size: 1.4rem;
  text-align: center;
  bottom: -5rem;
  left: 0;
  line-height: 2rem;
  text-overflow: nowrap;
  // background-color: rgba(0,0,0,0.5);
  text-shadow: 1px 4px 6px #000;
  opacity: 1;
}


@media only screen and (max-width: 800px) {

  .level1 {
    position: fixed;
    left: 50%;
  }
  .helptext { padding: 1rem; }

}