/**
 * DataTables
 */

.dataTables_wrapper {
    max-width: 100%;
    margin: 0.8em;
}

/**
 * D3js
 */

/* Circle Packing */

.node circle {
    fill: rgb(31, 119, 180);
    fill-opacity: .25;
    stroke: rgb(31, 119, 180);
    stroke-width: 1px;
}

.node.leaf circle {
    fill: #ff7f0e;
    fill-opacity: 1;
}

.node text {
    font: 10px sans-serif;
}

/**
 * DataTables
 */

.dataTables_wrapper {
    max-width: 100%;
    margin: 0.8em;
}

/**
 * D3js
 */

/* Circle Packing */

.node circle {
    fill: rgb(31, 119, 180);
    fill-opacity: .25;
    stroke: rgb(31, 119, 180);
    stroke-width: 1px;
}
.node.leaf circle {
    fill: #FDF59A;
    fill-opacity: 1;
}
.node text {
    font: 10px sans-serif;
}

Change color of circle packing layout so it's easier on the eyes.
Change color of circle packing layout so it's easier on the eyes.
