:2px;
      stroke: #8c51cf;
    }

    .vis-graph-group3 {
      fill: #75c841;
      fill-opacity:0;
      stroke-width:2px;
      stroke: #75c841;
    }

    .vis-graph-group4 {
      fill: #ff0100;
      fill-opacity:0;
      stroke-width:2px;
      stroke: #ff0100;
    }

    .vis-graph-group5 {
      fill: #37d8e6;
      fill-opacity:0;
      stroke-width:2px;
      stroke: #37d8e6;
    }

    .vis-graph-group6 {
      fill: #042662;
      fill-opacity:0;
      stroke-width:2px;
      stroke: #042662;