.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.small-switch {
    width: 45px;
    height: 25px;
}

.mini-switch {
    width: 35px;
    height: 20px;
}

.big-switch {
    width: 90px;
    height: 40px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 50%;
    width: 25%;
    left: 20%;
    bottom: 20%;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
}

.slider-danger {
    background-color: #f99;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:focus + .slider {
    box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(170%);
}

/* Rounded sliders */
.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}