<!doctype html>
<head>
<title>Binary clock</title>
<script src="src/converter.js"></script>
</head>
<body onload="BinaryClock.tick();">
  <div id="clock">
  </div>
</body>

<!doctype html>
<head>
<title>Binary clock</title>
<script src="src/converter.js"></script>
<style>
#clock {
  background-color: #cacaca;
  border: #6a6a6a 0.5em solid;
  border-radius: 1em;
  font-size: 2em;
  font-weight: bold;
  margin: 2em auto;
  padding: 1em;
  text-align: center;
  width: 12em;
}
</style>
</head>
<body onload="BinaryClock.tick();">
  <div id="clock">
  </div>
</body>

Add basic CSS to present the clock
Add basic CSS to present the clock
