.switch {
    position: relative;
}

    .switch input {
        height: 100%;
        width: 100%;
        position: absolute;
        left: 0;
        top: 0;
        opacity: 0;
        z-index: 100;
        cursor: pointer;
    }

    .switch label {
        height: 37px;
        width: 50px;
        background-color: #39315a;
        border-radius: 100px;
        display: block;
        box-shadow: inset 0 0 20px rgba(0,0,0,0.2), inset 0 0 5px -2px rgba(0,0,0,0.4);
    }

        .switch label .bulb {
            height: 30px;
            width: 30px;
            background-color: #4a426b;
            border-radius: 50%;
            position: relative;
            top: 3px;
            left: 3px;
            display: block;
            -webkit-transition: 0.7s;
            transition: 0.7s;
            box-shadow: inset 0 0 1px 3px #4a426b, inset 0 0 6px 8px #423963, 0 20px 30px -10px rgba(0,0,0,0.4);
        }

            .switch label .bulb .bulb-center {
                position: absolute;
                display: block;
                height: 12px;
                width: 12px;
                background-color: #5a527b;
                border-radius: 50%;
                top: 50%;
                left: 50%;
                -webkit-transition: 0.7s;
                transition: 0.7s;
                -webkit-transform: translate(-50%, -50%);
                transform: translate(-50%, -50%);
                box-shadow: inset 0 0 0 4px #635a84;
            }

                .switch label .bulb .bulb-center:after {
                    content: "";
                    display: block;
                    height: 4px;
                    width: 4px;
                    background-color: #7b7394;
                    border-radius: 50%;
                    position: absolute;
                    -webkit-transition: 0.7s;
                    transition: 0.7s;
                    top: 50%;
                    left: 50%;
                    -webkit-transform: translate(-50%, -50%);
                    transform: translate(-50%, -50%);
                    box-shadow: 0 0 2px 4px #524a73;
                }

            .switch label .bulb .filament-1,
            .switch label .bulb .filament-2 {
                position: absolute;
                display: block;
                height: 11px;
                width: 11px;
                border-radius: 50%;
                top: 50%;
                left: 50%;
                overflow: hidden;
                -webkit-transform: translate(-50%, -50%) rotate(-45deg);
                transform: translate(-50%, -50%) rotate(-45deg);
            }

                .switch label .bulb .filament-1:after,
                .switch label .bulb .filament-2:after,
                .switch label .bulb .filament-1:before,
                .switch label .bulb .filament-2:before {
                    content: "";
                    display: block;
                    height: 2px;
                    width: 6px;
                    border-radius: 50%;
                    border: 2px solid #4a426b;
                    position: absolute;
                    -webkit-transition: 0.7s;
                    transition: 0.7s;
                    top: -4px;
                    left: -2px;
                    -webkit-transform: rotate(-10deg);
                    transform: rotate(-10deg);
                }

                .switch label .bulb .filament-1:before,
                .switch label .bulb .filament-2:before {
                    left: 5px;
                    -webkit-transform: rotate(10deg);
                    transform: rotate(10deg);
                }

            .switch label .bulb .filament-2 {
                -webkit-transform: translate(-50%, -50%) rotate(45deg) !important;
                transform: translate(-50%, -50%) rotate(45deg) !important;
            }

.reflections {
    height: 100%;
    width: 100%;
    display: block;
    border-radius: 50%;
    overflow: hidden;
    position: absolute;
    z-index: 90;
    -webkit-perspective: 25px;
    perspective: 25px;
}

    .reflections span {
        height: 27px;
        width: 27px;
        border-radius: 50%;
        background-image: linear-gradient(-135deg, transparent 10%, rgba(255,255,255,0.3));
        position: absolute;
        left: -50px;
        bottom: -45px;
    }

        .reflections span:after {
            content: "";
            display: block;
            height: 35px;
            width: 20px;
            position: absolute;
            top: -36px;
            right: -50px;
            border-radius: 50%;
            box-shadow: 4px -2px 0 -3px rgba(255,255,255,0.4);
            -webkit-filter: blur(1px);
            filter: blur(1px);
            -webkit-transform: rotate(-10deg);
            transform: rotate(-10deg);
        }

    .reflections:after {
        content: "";
        display: block;
        height: 26px;
        width: 17px;
        background-image: linear-gradient(80deg, rgba(255,255,255,0.05) 45%, rgba(255,255,255,0.5));
        border-radius: 10% 20% 50% 30%/30% 60% 30% 40%;
        position: absolute;
        -webkit-transform-style: preserve-3d;
        transform-style: preserve-3d;
        -webkit-transform: rotateX(-25deg) rotate(-35deg) skewx(-15deg) translate(10px, -20px);
        transform: rotateX(-25deg) rotate(-35deg) skewx(-15deg) translate(10px, -20px);
        top: -8px;
        left: -5px;
    }

    .reflections:before {
        content: "";
        display: block;
        position: absolute;
        height: 10px;
        width: 30px;
        background-image: -webkit-gradient(linear, left top, right top, from(transparent), to(rgba(255,255,255,0.15)));
        background-image: linear-gradient(to right, transparent, rgba(255,255,255,0.15));
        bottom: 10px;
        right: 0px;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }

.sparks .spark1 {
    display: block;
    height: 1px;
    width: 1px;
    background-color: #d1b82b;
    position: absolute;
    right: -5px;
    border-radius: 50%;
    bottom: 23px;
    -webkit-transition: 0.4s;
    transition: 0.4s;
    opacity: 0;
}

.sparks .spark2 {
    display: block;
    height: 3px;
    width: 3px;
    background-color: #d1b82b;
    position: absolute;
    right: 20px;
    border-radius: 50%;
    bottom: 80px;
    -webkit-transition: 0.4s;
    transition: 0.4s;
    opacity: 0;
}

.sparks .spark3 {
    display: block;
    height: 3px;
    width: 3px;
    background-color: #d1b82b;
    position: absolute;
    left: 20px;
    border-radius: 50%;
    bottom: 80px;
    -webkit-transition: 0.4s;
    transition: 0.4s;
    opacity: 0;
}

.sparks .spark4 {
    display: block;
    height: 3px;
    width: 3px;
    background-color: #d1b82b;
    position: absolute;
    left: 20px;
    border-radius: 50%;
    bottom: 20px;
    -webkit-transition: 0.4s;
    transition: 0.4s;
    opacity: 0;
}

.switch input:checked ~ label .bulb {
    left: 17px;
    background-color: #a7694a;
    box-shadow: inset 0 0 1px 3px #a56758, inset 0 0 6px 8px #6b454f, 0 20px 30px -10px rgba(0,0,0,0.4), 0 0 30px 50px rgba(253,184,67,0.1);
}

    .switch input:checked ~ label .bulb > .bulb-center {
        background-color: #feed6b;
        box-shadow: inset 0 0 0 4px #fdec6a, 0 0 12px 10px #bca83c, 0 0 20px 14px #a1664a;
    }

        .switch input:checked ~ label .bulb > .bulb-center:after {
            background-color: #fef401;
            box-shadow: 0 0 2px 4px #fdb843;
        }

    .switch input:checked ~ label .bulb > .filament-1:before,
    .switch input:checked ~ label .bulb > .filament-2:before,
    .switch input:checked ~ label .bulb > .filament-1:after,
    .switch input:checked ~ label .bulb > .filament-2:after {
        border-color: #fef4d5;
    }

    .switch input:checked ~ label .bulb > .sparks .spark1 {
        height: 1px;
        width: 1px;
        -webkit-animation: spark1 2s ease-in-out;
        animation: spark1 2s ease-in-out;
        -webkit-animation-delay: 0.4s;
        animation-delay: 0.4s;
    }

    .switch input:checked ~ label .bulb > .sparks .spark2 {
        height: 1px;
        width: 1px;
        -webkit-animation: spark2 2.4s ease-in-out;
        animation: spark2 2.4s ease-in-out;
        -webkit-animation-delay: 0.4s;
        animation-delay: 0.4s;
    }

    .switch input:checked ~ label .bulb > .sparks .spark3 {
        height: 1px;
        width: 1px;
        -webkit-animation: spark3 2s ease-in-out;
        animation: spark3 2s ease-in-out;
        -webkit-animation-delay: 0.9s;
        animation-delay: 0.9s;
    }

    .switch input:checked ~ label .bulb > .sparks .spark4 {
        height: 1px;
        width: 1px;
        -webkit-animation: spark4 1.7s ease-in-out;
        animation: spark4 1.7s ease-in-out;
        -webkit-animation-delay: 0.9s;
        animation-delay: 0.9s;
    }

@-webkit-keyframes spark1 {
    0% {
        right: -5px;
        height: 1px;
        width: 1px;
        opacity: 0;
    }

    20% {
        height: 3px;
        width: 3px;
        right: 0px;
        opacity: 1;
    }

    30% {
        right: -5px;
        opacity: 1;
        height: 3px;
        width: 3px;
    }

    70% {
        height: 3px;
        width: 3px;
    }

    100% {
        right: -60px;
        bottom: 40px;
        opacity: 0;
    }
}

@keyframes spark1 {
    0% {
        right: -5px;
        height: 1px;
        width: 1px;
        opacity: 0;
    }

    20% {
        height: 3px;
        width: 3px;
        right: 0px;
        opacity: 1;
    }

    30% {
        right: -5px;
        opacity: 1;
        height: 3px;
        width: 3px;
    }

    70% {
        height: 3px;
        width: 3px;
    }

    100% {
        right: -60px;
        bottom: 40px;
        opacity: 0;
    }
}

@-webkit-keyframes spark2 {
    0% {
        height: 3px;
        width: 3px;
        opacity: 0;
    }

    30% {
        opacity: 1;
    }

    100% {
        right: -20px;
        bottom: 100px;
        opacity: 0;
    }
}

@keyframes spark2 {
    0% {
        height: 3px;
        width: 3px;
        opacity: 0;
    }

    30% {
        opacity: 1;
    }

    100% {
        right: -20px;
        bottom: 100px;
        opacity: 0;
    }
}

@-webkit-keyframes spark3 {
    0% {
        opacity: 0;
    }

    30% {
        opacity: 1;
        height: 2px;
        width: 2px;
    }

    100% {
        left: 0px;
        bottom: 100px;
        opacity: 0;
        height: 3px;
        width: 3px;
    }
}

@keyframes spark3 {
    0% {
        opacity: 0;
    }

    30% {
        opacity: 1;
        height: 2px;
        width: 2px;
    }

    100% {
        left: 0px;
        bottom: 100px;
        opacity: 0;
        height: 3px;
        width: 3px;
    }
}

@-webkit-keyframes spark4 {
    0% {
        opacity: 0;
    }

    30% {
        opacity: 1;
        height: 2px;
        width: 2px;
    }

    100% {
        left: -20px;
        bottom: -10px;
        opacity: 0;
        height: 3px;
        width: 3px;
    }
}

@keyframes spark4 {
    0% {
        opacity: 0;
    }

    30% {
        opacity: 1;
        height: 2px;
        width: 2px;
    }

    100% {
        left: -20px;
        bottom: -10px;
        opacity: 0;
        height: 3px;
        width: 3px;
    }
}