.wpac-charheight_bar button {
  background-color: transparent;
  border: none;
  outline: none;
  color: #000000; }
  .wpac-charheight_bar button:nth-child(1) {
    font-size: 1em; }
  .wpac-charheight_bar button:nth-child(2) {
    font-size: 1.25em; }
  .wpac-charheight_bar button:nth-child(3) {
    font-size: 1.5em; }
  .wpac-charheight_bar button:focus {
    border: none;
    outline: none; }