.a-D3Palette {
    display:block;
    margin: 18px auto;
}
.a-D3Palette-container {
    padding: 6px;
    background: #151515;
}
.a-D3Palette-hue-marker { 
    cursor: pointer;
    stroke: #ccc;
    fill: #333;
    stroke-opacity: 0.5;
    fill-opacity: 0.4;
} 
.a-D3Palette-hue-marker--primary { 
    fill-opacity: 0.9;
} 
.a-D3Palette-hue-marker--complimentary { 
    fill-opacity: 0.7;
    stroke: #888;
    fill: #fff;
} 
.a-D3Palette-arc { 
    shape-rendering: crispedges;
}
.a-D3Palette-arc-border {
    fill: none;
    stroke: #101010;
}