/* From Uiverse.io by Shoh2008 */
.checkbox-wrapper-25 input[type="checkbox"] {
    background-image: -webkit-linear-gradient(hsla(0, 0%, 0%, .1), hsla(0, 0%, 100%, .1)),
        -webkit-linear-gradient(left, #f66 50%, #6cf 50%);
    background-size: 100% 100%, 200% 100%;
    background-position: 0 0, 15px 0;
    border-radius: 25px;
    box-shadow: inset 0 1px 4px hsla(0, 0%, 0%, .5),
        inset 0 0 10px hsla(0, 0%, 0%, .5),
        0 0 0 1px hsla(0, 0%, 0%, .1),
        0 -1px 2px 2px hsla(0, 0%, 0%, .25),
        0 2px 2px 2px hsla(0, 0%, 100%, .75);
    cursor: pointer;
    height: 25px;
    padding-right: 25px;
    width: 75px;
    -webkit-appearance: none;
    -webkit-transition: .25s;
}

.checkbox-wrapper-25 input[type="checkbox"]:after {
    background-color: #eee;
    background-image: -webkit-linear-gradient(hsla(0, 0%, 100%, .1), hsla(0, 0%, 0%, .1));
    border-radius: 25px;
    box-shadow: inset 0 1px 1px 1px hsla(0, 0%, 100%, 1),
        inset 0 -1px 1px 1px hsla(0, 0%, 0%, .25),
        0 1px 3px 1px hsla(0, 0%, 0%, .5),
        0 0 2px hsla(0, 0%, 0%, .25);
    content: '';
    display: block;
    height: 25px;
    width: 50px;
}

.checkbox-wrapper-25 input[type="checkbox"]:checked {
    background-position: 0 0, 35px 0;
    padding-left: 25px;
    padding-right: 0;
}