similiquedicta/stories/side-toolbar-custom/src/buttonStyles.css

A Plugin Architecture on top of Draft.JS

.wrapper {
  position: absolute;
}

.buttonWrapper {
  display: inline-block;
}

.button {
  background: #333;
  color: #ddd;
  font-size: 18px;
  border: 0;
  padding-top: 5px;
  vertical-align: bottom;
  height: 34px;
  width: 36px;
  border-radius: 4px;
}

.button svg {
  fill: #ddd;
}

.button:hover, .button:focus {
  background: #444;
  outline: 0; /* reset for :focus */
}

.active {
  color: #6a9cc9;
}

.active svg {
  fill: #6a9cc9;
}