style.css

body {
  overflow: hidden;
  margin: 0;
  font-size: 14px;
  font-family: "Helvetica Neue", Helvetica;
}

#chart, #header {
  position: absolute;
  top: 0;
}
#footer {
  position: absolute;
}

#header, #footer {
  z-index: 1;
  display: block;
  font-size: 36px;
  font-weight: 300;
  text-shadow: 0 1px 0 #fff;
}

#header.inverted, #footer.inverted {
  color: #fff;
  text-shadow: 0 1px 4px #000;
}

#header {
  top: 80px;
  left: 140px;
  width: 1000px;
}

#footer {
  bottom: 60px;
  right: 140px;
  text-align: right;
}

#footer h2 { margin: 0; 
  -webkit-transition: opacity 300ms ease-in-out;
  -moz-transition: opacity 300ms ease-in-out;
  -o-transition: opacity 300ms ease-in-out;
  -ms-transition: opacity 300ms ease-in-out;	
  transition: opacity 300ms ease-in-out;
}
#footer h2.fade { opacity:0; }

rect {
  fill: none;
  pointer-events: all;
}

pre {
  font-size: 18px;
}

line {
  stroke: #000;
  stroke-width: 1.5px;
}

.string, .regexp {
  color: #f39;
}

.keyword {
  color: #00c;
}

.comment {
  color: #777;
  font-style: oblique;
}

.number {
  color: #369;
}

.class, .special {
  color: #1181B8;
}

a:link, a:visited {
  color: #000;
  text-decoration: none;
}

a:hover {
  color: #666;
}

.hint {
  position: absolute;
  right: 0;
  width: 1280px;
  font-size: 12px;
  color: #999;
}

svg { width: 1280px; height: 800px; pointer-events: all; } 
circle { fill: #dbe4f0; }
path { fill: #aaa; stroke: #fff; }