fix virus chic

Author: emeeks

src/InteractionLayer.js

@@ -15,9 +15,7 @@ class InteractionLayer extends React.Component {
         {voronoiCells.map((d, i) => (
           <path
             key={`voronoi-${i}`}
-            fillOpacity={0.5}
-            fill="red"
-            stroke="red"
+            fillOpacity={0}
             onMouseEnter={() => onHover(points[i])}
             onMouseLeave={() => onHover()}
             d={`M${d.map(p => p.join(',')).join('L')}Z`}