dotstyle = html`<style>
.node {stroke: hsl(212, 79%, 34%);}
.node polygon {fill: none;}
.node:hover {stroke: hsl(130, 79%, 34%);}
.node:hover polygon {fill: yellow}
.edge path {stroke: hsl(10, 50%, 50%);}
.edge polygon {fill: hsl(300, 80%, 70%);}
</style>`