.switch{position:relative;display:inline-block;width:30px;height:18px;}.switch input{display:none;}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;-webkit-transition:.4s;transition:.4s;}.slider:before{position:absolute;content:"";height:13px;width:13px;left:2px;bottom:2px;background-color:#fff;-webkit-transition:.4s;transition:.4s;}input:checked+.slider{background-color:#000000;}input:focus+.slider{box-shadow:0 0 1px #000000;}input:checked+.slider:before{-webkit-transform:translateX(13px);-ms-transform:translateX(13px);transform:translateX(13px);}.slider.round{border-radius:12px;}.slider.round:before{border-radius:50%;}