.switch{width:40px;height:20px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:#ccc;border-radius:20px;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:14.3px;height:14.3px;transition:all .4s;position:absolute;bottom:.2em;left:3px}input:checked+.slider{background-color:#2196f3}input:checked+.slider:before{transform:translate(18px)}.slider.round{border-radius:20px}.slider.round:before{border-radius:50%}