.simplecolorpicker.glyphicons span.color[data-selected]:after {
  /* Taken from glyphicon class. */
  position: relative;
  top: 1px;
  font-family: 'Glyphicons Halflings';
  line-height: .9;
  -webkit-font-smoothing: antialiased;

  content: '\e013'; /* Ok/check mark */

  margin-right: 1px;
  margin-left: 1px;
}
