.undo-icon {
  margin: 2px;
  height: 38px;
  line-height: 32px;
}
.undo-icon button {
  color: #c6c6c6;
  font-size: 19px;
  margin: 0;
  height: 38px;
  padding-left: 10px;
  padding-right: 10px;
  cursor: default;
}
.undo-icon button:hover, .undo-icon button:focus {
  color: #c6c6c6;
}
.undo-icon button.enabled {
  color: #666;
  cursor: pointer;
}
.undo-icon button.enabled:hover {
  background-color: #d1eaf7;
}
.undo-icon button.enabled:active {
  background-color: #a5d6ef;
}
