body {
  font-family: sans-serif;
}

.item {
  width: 80px;
  height: 80px;
  padding: 5px;
  margin: 5px;
  color: white;
  float: left;
}

p {
  margin: 0;
}

#filter-display {
  font-size: 18px;
  padding: 0.5em;
  border: 1px solid #CCC;
  color: blue;
}

.red { background: red; }
.blue { background: blue; }
.green { background: green; }
.yellow { background: yellow; color: black; }