.hover path {
    stroke: #ccc;
}

.hover text {
    fill: #ccc;
}

.hover g.primary text {
    fill: black;
    font-weight: bold;
}

.hover g.secondary text {
    fill: #333;
}

.hover path.primary {
    stroke: #333;
    stroke-opacity: 1;
}

div.tooltip {
    position: absolute;
    text-align: left;
    width: auto;
    height: auto;
    padding: 12px;
    font: 14px sans-serif;
    background: lightsteelblue;
    border: 0;
    border-radius: 8px;
    /*pointer-events: none;*/
}

#packing,
#circle {
    width: 1200px;
    height: 1200px;
}