/* style for svg contents */ .node { stroke: #fff; stroke-width: 0.5px; } .node.spam { fill: orange; } .node.ham { fill: #6c6; } .node.neighbor { fill: #fcc; } .node.selected { fill: #f00; } .link { stroke: #ddd; stroke-opacity: .6; /* fill none to prevent arcs lines being too thick */ fill: none; } .arrow-head { fill: #399; fill-opacity: .6; } .link.neighbor { stroke: #f99; }