Details classes are created to enhance the native behaviors of <details>.
Fullscreen click area
Use .details-overlay to expand the click area of <summary> to cover the full screen, so user can click anywhere on a page to close <details>.
<details class="details-overlay">
<summary class="btn">More</summary>
<div class="position-relative bg-white p-3 border" style="z-index: 100">Hidden text</div>
</details>
Darkened fullscreen click area
Use .details-overlay-dark darken the click area overlay. Useful for modals.
<details class="details-overlay details-overlay-dark">
<summary class="btn">More</summary>
<div class="position-relative bg-white p-3 border" style="z-index: 100">Hidden text</div>
</details>