body, input {
  font-size: 1.25em;
  font-family: Segoe UI;
  width: 20em;
  margin: 3em auto;
  color: #444
}

label {
  display: block;
  margin: .75em 0;
}

label > span:first-child, .result span:first-child {
  width: 4em;
  display: inline-block;
  vertical-align: center;
  text-align: right;
  padding-right: .5em;
}

label > span:first-child:after, .result span:first-child:after {
  content: ':'
}

input {
  font-size: 1em;
  display: inline-block;
  vertical-align: center;
}

span input {
  display: block;
}

h1 {
  font-family: Segoe UI Light;
  text-align: center;
  font-size: 1.5em;
}

h1 + p {
  text-align: center;
  font-style: italic;
  color: #999;
  margin: -.5em 0 2em;
}

input {
  margin: 0;
  border: thin solid #eee;
  padding: .5em 1em;
  width: 13em;
}

.tt-dropdown-menu {
  width: 13em;
  padding: 0 1em;
  background-color: #fff;
  border: 1px solid #ccc;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
}

.empty {
  font-style: italic;
  color: #999;
  padding: 1em 0;
}