.axis {
    font: 8px sans-serif;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

.slider .domain {
    fill: none;
    stroke: #000;
    stroke-opacity: .3;
    stroke-width: 10px;
    stroke-linecap: round;
}

.axis .halo {
    fill: none;
    stroke: #ddd;
    stroke-width: 8px;
    stroke-linecap: round;
}

.slider .handle {
    fill: #fff;
    stroke: #000;
    stroke-opacity: .5;
    stroke-width: 1.25px;
    pointer-events: none;
}