div.slideButton {
  background-color: darkgrey;
  width: 30px;
  height: 16px;
  border-radius: 16px;
  border: inset 1px darkgrey;
}

div.slideButtonInner {
  width: 16px;
  height: 16px;
  background-color: silver;
  border-radius: 16px;
  border: solid 1px grey;
  position: relative;
  transition: left 0.08s;
  left: -1px;
  top: -1px;

  /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#eeeeee+0,cccccc+100;Gren+3D */
background: #ffffff; /* Old browsers */
background: -moz-linear-gradient(-45deg, #ffffff 0%, #cccccc 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(-45deg, #ffffff 0%,#cccccc 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(135deg, #ffffff 0%,#cccccc 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#cccccc',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */

}