.demo{ background-color: #333; }

.range-slider{
    padding: 15px 0 40px;
    margin: 0 0 10px 0;
    position: relative;
}

.range-slider input[type="range"]{
    background: #555;
    width: 100%;
    height: 20px;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.range-slider input[type="range"]::-webkit-slider-thumb{
    background: transparent;
    width: 20px;
    height: 20px;
    border: 5px solid #26ffe5;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.15s ease-in-out 0s;
    -webkit-appearance: none;
    appearance: none;
}

.range-slider input[type="range"]::-webkit-slider-thumb:hover,
.range-slider input[type="range"]:active::-webkit-slider-thumb{
    background: #000;
    box-shadow: 0 0 10px #000;
}

.range-slider input[type="range"]::-moz-range-thumb{
    background: transparent;
    width: 10px;
    height: 10px;
    border: 5px solid #26ffe5;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.15s ease-in-out 0s;
}

.range-slider input[type="range"]::-moz-range-thumb:hover,
.range-slider input[type="range"]:active::-moz-range-thumb{
    background: #000;
    box-shadow: 0 0 10px #000;
}

.range-slider .range-value{
    color: #26ffe5;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    line-height: 35px;
    width: 60px;
    height: 35px;
    box-shadow: 0 0 5px -3px #26ffe5;
    border-radius: 50%;
    position: absolute;
    bottom: 0;
    right: 0;
}

::-moz-range-track{
    background: transparent;
    border: 0;
}