body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00b7ff;
}

textarea, pre {
  font-family: courier;
  font-size: small;
  display: block;
  width: 400px;
  margin-top: 10px;
  margin-bottom: 10px;
}

#error {
  color: red;
}
#result div {
  margin-left: 10px;
}

.col {
  float: left;
  margin-right: 15px;
}