#button-16 {
    border-radius: 2px;
    position: relative;
    top: 50%;
    width: 110px;
    height: 36px;
    margin: 0px auto 0 auto;
    overflow: hidden;
}
#button-16 .checkbox {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 3;
}
#button-16 .knobs {
    z-index: 2;
}
#button-16 .checkbox:checked ~ .layer {
    background-color: #fcebeb;
}
#button-16 .layer {
    width: 100%;
    background-color: #ebf7fc;
    transition: 0.3s ease all;
    z-index: 1;
}
#button-16 .button-cover, #button-16 .knobs, #button-16 .layer {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
#button-16 .checkbox:checked + .knobs:before {
    content: 'Enable';
    left: 52px;
    background-color: #03A9F4;
}
#button-16 .knobs:before {
    content: 'Disable';
    position: absolute;
    top: 4px;
    left: 4px;
    width: 45px;
    height: 10px;
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    text-align: center;
    line-height: 1;
    padding: 9px 4px;
    background-color: #F44336;
    border-radius: 2px;
    transition: 0.3s ease all, left 0.3s cubic-bezier(0.18, 0.89, 0.35, 1.15);
}