.node {
    stroke: #fff;
    stroke-width: 1.5px;
}

.link {
    stroke: #999;
    stroke-opacity: 0.6;
}

.highlight {
    stroke: #84fa84;
    stroke-width: 2;
}

.highlight-node {
    stroke: #84fa84;
    stroke-width: 4px;
}

.dimmed {
    opacity: 0.3; /* dimmed */
}

.nodimmed {
    opacity: 1; /* dimmed */
}