.switch{font-size:17px;position:relative;display:inline-block;width:2.8em;height:1.8em}.switch input{opacity:0;width:0;height:0}.slider{--background: #111827;position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--background);transition:.5s;border-radius:30px}.slider:before{position:absolute;content:"";height:1.1em;width:1.1em;border-radius:50%;left:10%;bottom:19%;background:transparent;transition:.5s;box-shadow:inset 15px -4px 0 15px #efff0b}input:checked+.slider{background-color:#3d3d3d}input:checked+.slider:before{transform:translate(100%);box-shadow:inset 8px -4px #efff0b}