.taller {
  line-height: 28px;
}

textarea {
  width: 100%;
  
  min-height: 500px;
}

.btn {

  padding: 3px 12px;
  
}

pre {
  background-color: transparent;
  padding: 0;
}

.text-muted input[type="text"] {
  width: 37px;
  font-size: 1em;
  display: inline-block;
}