collapsedCSS = tagWithOptions(opts => (...args) => {
if (typeof opts === 'string') {
opts = { title: opts };
}
const content = css(opts)(...args);
const el = html`
<details>
<summary style="cursor: pointer; user-select: none">${opts.title ||
'CSS'}</summary>
${content}
</details>
`;
el.value = content.value;
return el;
})