.switch{position:relative;display:inline-block;width:60px;height:34px;margin-right:16px}.switch input{opacity:0;width:0;height:0}
.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:26px;width:26px;left:4px;bottom:4px;background-color:white;-webkit-transition:.4s;transition:.4s}
input:checked+.slider{background-color:#2196f3}input:focus+.slider{box-shadow:0 0 1px #2196f3}input:checked+.slider:before{-webkit-transform:translateX(26px);-ms-transform:translateX(26px);transform:translateX(26px)}
.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}