<html>
<script>
// %%{ init: { "logLevel":0, "themeVariables" : { "primaryColor": "#fff000","textColor": "green","apa":"} #target { background-color: crimson }" } } }%%
</script>
<body>
<div id="target">
<h1>This element does not belong to the SVG but we can style it</h1>
</div>
<svg id="diagram">
</svg>
<script src="./mermaid.js"></script>
<script>
mermaid.initialize({ startOnLoad: false, logLevel: 0 });
const graph = `
%%{ init: { "fontFamily" : "&125; * { background: red }" } }%%
graph TD
A[Goose]
`;
const diagram = document.getElementById('diagram');
const svg = mermaid.render('diagram-svg', graph);
diagram.innerHTML = svg;
</script>
</body>
</html>