body, html {
  background-color: #04151a;
  font-family: Arial, Helvetica, sans-serif;
  padding: 0;
  margin: 0;
}

canvas {
  background: url(http://hakim.se/experiments/html5/keylight/02/background.png);
}

input[type="range"] {
  position: relative;
  top: 60px;
}

.message {
  font-size: 11px;
  color: #ffffff;
  display: none;
  text-align: center;
  background-color: #000000;
  width: 100%;
  padding: 10px 0;
  z-index: 6;
}

#controls {
  position: absolute; 
  z-index: 10;
  font-size: 10px;
  color: #aaaaaa;
  padding: 5px;
}

#controls a {
  font-size: 10px;
  color: #cccccc;
  padding: 2px;
}

#controls a:hover {
  background-color: #000000;
}

#controls span.browser {
  margin-left: 40px;
  font-style: italic;
}