quay/static/css/directives/ui/heatmap.css

.heatmap-element {
    display: inline-block;
}

.heatmap-element svg {
    overflow: visible;
}

.heatmap-element .cal-heatmap-container {
    display: inline-block !important;
}

.heatmap-element .graph-label {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 12px;
    text-transform: uppercase;
}

.heatmap-element .cal-heatmap-container svg .highlight {
    fill: white;
    stroke: #eee;
    stroke-dasharray: 2;
}