.cell { fill: #C9DEEC; stroke: white; stroke-width: 2; } .node { fill: steelblue; opacity: 0.1; } .axis .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; cursor: crosshair; }