/* The switch - the box around the slider */
.switch
{
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

    /* Hide default HTML checkbox */
    .switch input
    {
        display: none;
    }

/* The slider */
.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: 26px;
        width: 26px;
        left: 4px;
        bottom: 4px;
        background-color: white;
        -webkit-transition: .4s;
        transition: .4s;
    }

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(26px);
}

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

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

.round-button
{
    width: 5%;
    height: 0;
    padding-bottom: 4.5%;
    border-radius: 50%;
    border: 2px solid #f5f5f5;
    overflow: hidden;
    background: #464646;
    box-shadow: 0 0 3px gray;
    position: fixed;
    right: 25px;
    bottom: 70px;
}

    .round-button:hover
    {
        background: #262626;
    }

    .round-button i
    {
        display: block;
        padding: 25%;
        height: auto;
        margin: -5px auto;
    }