a:link {
    color:hotpink;
}
a:visited {
    color:#b705ff;
}
a:hover {
    color:#f500ff;
}
body{
    background-color:#121212;
    color:#0A889B;
    margin:1em auto;
    max-width:40em;
    padding:0 .62em;
    font:1.2em/1.62em sans-serif;
}
h1,h2,h3 {
    line-height:1.2em;
    color:#0068ff;
}

#canvas {
  position: fixed;
  background-color:#000;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}

#pause {
    left: 10px;
    z-index: 2;
    position: fixed;
    top:10px;
    background-color: #b705ff;
    opacity:0.4;
    border: none;
    color: white;
    padding: 10px 26px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    transition: 0.3s
}
#pause:hover {
    opacity:1.0;
}