.switch{position:relative;display:inline-block;width:45px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#fff}.slider,.slider:before{position:absolute;-webkit-transition:.4s;transition:.4s}.slider:before{content:"";height:17px;width:17px;left:3px;bottom:3px;background-color:#000}input:checked+.slider:before{-webkit-transform:translateX(22px);-ms-transform:translateX(22px);transform:translateX(22px)}.slider.round{border-radius:4px}.slider.round:before{border-radius:25%}