html { height: 102%; }

body {
  background-color: #444;
  color: #444;
  font-size: 16px;
  font-family: helvetica, arial, sans-serif;
  margin: 0;
  padding: 0;
}

#header {
  background-color: #666;
  color: #ccc;
  padding: 2px 8px;
  text-align: center;
  font-size: 4em;
  border-bottom: solid 1px #ccc;
}

#score {
  background-color: #111;
  color: #ccc;
  padding: 2px 8px;
  text-align: center;
  font-size: 2em;
  border-bottom: solid 1px #ccc;
}

div#score:hover {
  cursor: pointer;
}

#page {
  max-width: 320px;
  margin: 0 auto;
  padding: 5px;
}

div.card {
  background-color: #777;
  float: left;
  height: 77px;
  width: 67px;
  margin: 4px;
  color: #777;
  font-size: 4.0em;
  text-align: center;
  border: solid 1px #ccc;
}

div.card:hover {
  cursor: pointer;
}