body {
  font: 15px 'Helvetica Neue' Arial
}

#canvas {
  margin-top: 20px;
  width: 550px;
  height: 350px;
  background: #eee;
  position: relative;
  border-right: 60px solid #EEE;;
}

.bar {
  -moz-transition-duration: 0.8s;
  -webkit-transition-duration: 0.8s;
  transition-duration: 0.8s;
  position: absolute;
  bottom: 0px;
  background: steelblue;
  opacity: 0.7;
}

.bar:hover { opacity: 1.0; }

.bar .label {
  text-transform: uppercase;
  position: absolute;
  bottom: -25px;
  left: 0;
  right: 0;
  text-align: center;
}

.bar .value {
  font-weight: bold;
  text-transform: uppercase;
  position: absolute;
  top: -25px;
  left: 0;
  right: 0;
  text-align: center;
}