.toggle {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 60px;
    height: 32px;
    display: inline-block;
    position: relative;
    border-radius: 50px;
    overflow: hidden;
    outline: none;
    border: none;
    cursor: pointer;
    background-color: #707070;
    transition: background-color ease 0.3s;
}

.toggle:before {
    content: "";
    display: block;
    position: absolute;
    z-index: 2;
    width: 24px;
    height: 24px;
    background: #fff;
    left: 4px;
    top: 4px;
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    transition: all cubic-bezier(0.3, 1.5, 0.7, 1) 0.3s;
}

.toggle:checked {
    background-color: #2196f3;
}

.toggle:checked:before {
    transform: translateX(28px);
}