d3/examples/clock/clock.css

#clock {
  position: relative;
  background: #222;
  width: 960px;
  height: 700px;
}

#clock div {
  position: absolute;
  right: 4px;
  bottom: 4px;
  color: #ddd;
  font: 10px sans-serif;
}

#clock a {
  color: #fff;
  font-weight: bold;
}

text {
  font: bold 13px sans-serif;
}