body {
    margin: 0;
    min-height: 100vh;
    background: #ddd;
    display: grid;
    place-items: center;
    font-size: 32px;
}

.switch {
    position: relative;
    width: 4em;
    aspect-ratio: 1.618/1;
}

.switch input {
    display: none;
}

.wrapper {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #39383C;
    border-radius: 2em;
}

.wrapper::before{
    content:"";
    position: absolute;
    height: calc(100% - .3em);
    aspect-ratio: 1/1;
    left: .15em;
    bottom: .15em;
    background: #fff;
    border-radius: 50%;
    transition: .4s;
}

input:checked + .wrapper{
    background: #68CE67;
}

input:checked + .wrapper::before{
    transform: translateX(1.5em);
}