html, body {
  background: #EEE;
  font-family: Arial;
  font-size: 13px;
  margin: 0;
  padding: 0;
}

h1 {
  background: #385C85;
  color: #FFF;
  padding: 10px;
  padding-left: 20px;
  margin-top: 0px;
}

h1 a {
  color: #FFF;
}

h2 {
  padding-left: 20px;
}

p {
  padding-left: 20px;
  line-height: 1.3em;
}

p a {
  color: #385C85;
}

canvas {
  margin: 10px 0;
}

pre {
  margin-left: 20px;
  margin-right: 20px;
  padding: 5px;
  background: #FFF;
  border-top: 1px solid #333;
  border-bottom: 1px solid #333;
}

div.ref-col {
  float: left;
  width: 32%;
}