index.css

* {
  margin:0;
  padding:0;
}
body {
  font-family:monospace;
  overflow: hidden;
}
#header {
  position:fixed;
  z-index: 100;
  padding-top:0.33vh;
}
audio {
  position: fixed;
  bottom:0;
  left: 0;
  width:100%;
}
body, canvas {
  width: 100vw;
  height: 100vh;
}


#header #info {
  padding-top:1vh;
  width: 100vw;
  font-size: 0vh;
  transition: opacity 0.2s, font-size 0.4s;
  overflow: hidden;
  opacity:0;
}

#header:hover #info {
  font-size: 1.8vh;
  opacity: 1;
}

#header #info a {
  text-decoration: none;
  color: #eee;
  text-shadow: 1px 1px #666;
}

#header img {
  vertical-align: middle;
}

span {
  color: white;
  font-weight:bold;
  font-size: 2vh;
  text-shadow: 1px 1px black;
  vertical-align: middle;

}

button {
  font-family: monospace;
  background-color: #000;
  font-size: 1.2vh;
  border: 0.2vh outset buttonface;
  color: white;
  border-radius:2vh;
  padding: 0.5vh 1vh;
  margin-right:0.1vh;
  cursor:pointer;
}

 button.disabled {
  background-color: #000;
  color: white;
  opacity:0.5;
}
button:hover {
  background-color: white;
  color: black;
}
button:focus {
  outline:0;
}
#orig {
  text-decoration:none;
  color: orange;
}