html, body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
}
input[type=range].customSlider {
    width: 100%;
    margin: 4.25px 0;
    background-color: transparent;
    -webkit-appearance: none;
}

input[type=range].customSlider:focus {
    outline: none;
}

input[type=range].customSlider::-webkit-slider-runnable-track {
    background: #a9a4c8;
    border: 1px solid #010101;
    border-radius: 6.2px;
    width: 100%;
    height: 7.5px;
    cursor: pointer;
}

input[type=range].customSlider::-webkit-slider-thumb {
    margin-top: -5.25px;
    width: 21px;
    height: 16px;
    background: #ffffff;
    border: 1.8px solid #00001e;
    border-radius: 5px;
    cursor: pointer;
    -webkit-appearance: none;
}

input[type=range].customSlider:focus::-webkit-slider-runnable-track {
    background: #b8b4d2;
}

input[type=range].customSlider::-moz-range-track {
    background: #a9a4c8;
    border: 1px solid #010101;
    border-radius: 6.2px;
    width: 100%;
    height: 7.5px;
    cursor: pointer;
}

input[type=range].customSlider::-moz-range-thumb {
    width: 21px;
    height: 16px;
    background: #ffffff;
    border: 1.8px solid #00001e;
    border-radius: 5px;
    cursor: pointer;
}

input[type=range].customSlider::-ms-track {
    background: transparent;
    border-color: transparent;
    border-width: 5.15px 0;
    color: transparent;
    width: 100%;
    height: 7.5px;
    cursor: pointer;
}

input[type=range].customSlider::-ms-fill-lower {
    background: #9a94be;
    border: 1px solid #010101;
    border-radius: 12.4px;
}

input[type=range].customSlider::-ms-fill-upper {
    background: #a9a4c8;
    border: 1px solid #010101;
    border-radius: 12.4px;
}

input[type=range].customSlider::-ms-thumb {
    width: 21px;
    height: 16px;
    background: #ffffff;
    border: 1.8px solid #00001e;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 0px;
    /*Needed to keep the Edge thumb centred*/
}

input[type=range].customSlider:focus::-ms-fill-lower {
    background: #a9a4c8;
}

input[type=range].customSlider:focus::-ms-fill-upper {
    background: #b8b4d2;
}

/*TODO: Use one of the selectors from https://stackoverflow.com/a/20541859/7077589 and figure out
  how to remove the virtical space around the range input in IE*/
@supports (-ms-ime-align:auto) {

    /* Pre-Chromium Edge only styles, selector taken from hhttps://stackoverflow.com/a/32202953/7077589 */
    input[type=range].customSlider {
        margin: 0;
        /*Edge starts the margin from the thumb, not the track as other browsers do*/
    }
}