.vSwitch.blue.on .switch {
  background: #39f;
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -o-transition: all 0.3s ease-out;
  -ms-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}