.usage {
  padding: 10px;
  border: 1px solid rgba(0,0,0,0.09);
  border-radius: 5px;
  margin-bottom: 1em;
}

.live textarea {
    width: 100%;
    min-height: 20em;
    display: block;
    font-family: monospace;
}

header {
    overflow: hidden;
}
header h1 {
    float: left;
}
.star-fork {
    float: right;
    padding: 1em;
}