SCSS: IOS Checkbox Switch

_konfig.scss

$speed : 0.1s;
.switchButton input {
    // Knopf
  &::after {
    content: '';
    margin: 0;
    padding: 0;
    width: 25px;
    height: 25px;
    background: -webkit-linear-gradient(top, #cdcdcd, #fbfbfb);
    border-radius: 50%;
    box-shadow: inset 0 1px 0 #f0f0f0;
    position: absolute;
    top: 0;
    left: 32px;
    border: 1px solid #919191;
    // -webkit-transition: $speed all linear;
  }
  // Active
  &::before {
    content: 'An';
    margin: 0;
    padding: 0;
    width: 40px;
    height: 25px;
    background: -webkit-linear-gradient(top, #365b75, #1b4360);
    border-radius: 10px 0 0 10px;
    border: 1px solid #1b4360;
    box-shadow: inset 0 2px 2px #1b4360, inset -3px 0 3px #1b4360;
    text-align: center;
    color: #fff;
    font: 700 14px sans-serif;
    text-shadow: 0 -1px 0 #1b3b6f;
    line-height: 27px;
    position: absolute;
    top: 0;
    left: 0;
  }
  -webkit-appearance: none;
  margin: 10px auto;
  padding: 0;
  display: block;
  width: 94px;
  height: 27px;
  position: relative;

  // -webkit-transition: $speed all linear;
  &:checked {
    &::after {
      left: 0px;
    }
    // Inactive
    &::before {
      content: 'Aus';
      left: 18px;
      border-radius:  0 10px 10px 0;
      background: -webkit-linear-gradient(top, #cfcfcf, #efefef 50%, #f9f9f9 50%, #fefefe);
      box-shadow: inset 0 2px 2px #b6b6b6, inset 3px 0 3px #b6b6b6;
      color: #7f7f7f;
      text-shadow: none;
      border-color: #7d7d7d;
    }
  }
}