message: Switch: clean up opacity
diff: transform: translateX(20px);
  }
  +.Switch__self[disabled] + .Switch__pseudo {
  + opacity: .4;
  +}
  +
  /**
  * iOS
  */
  background: var(--accent);
  }
  -.Switch--ios .Switch__self[disabled] + .Switch__pseudo {
  - opacity: .4;
  -}
  -
  .Switch--ios .Switch__pseudo::before {
  top: 0;
  left: 0;
  opacity: .48;
  }
  -.Switch--android .Switch__self[disabled] + .Switch__pseudo,
  -.Switch--vkcom .Switch__self[disabled] + .Switch__pseudo {
  - opacity: .4;
  -}
  -
  /**
  * Android
  */
  