.switch {
    transition: background-color 200ms;
    width: 40px;
    height: 22px;
    border-radius: 27px;
    background-color: lightgrey;
    display: inline-block;
    position: relative;
    user-select: none;
    margin-bottom: 0;
}

.switch:not(.true)::after {transform: translateY(-48%);left: 3px;}

.switch::after {
    content: "";
    height: 17px;
    width: 17px;
    background-color: white;
    position: absolute;
    border-radius: 100%;
    transition: all 200ms;
    top: 50%;
}

.switch.true::after {transform: translateY(-48%);left: calc(100% - 20px);}

.switch.true {
    background-color: #63c363;
}