arangodb/js/apps/system/aardvark/frontend/css/graphView.css

svg.graphViewer {
  background-color: white;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(0,0,0,0.125);
  margin-left: 74px;
}

.gv_manageButtonContainer {
  margin-top: 10px;
}