// you should set syntax highlighting to CSS export default ` node { content: data(name); text-valign: center; text-halign: center; } $node > node { padding-top: 10px; padding-left: 10px; padding-bottom: 10px; padding-right: 10px; text-valign: top; text-halign: center; background-color: #bbb; } edge { target-arrow-shape: triangle; } :selected { background-color: black; line-color: black; target-arrow-color: black; source-arrow-color: black; } `;