To elements: one with z-index 999999999 and one with `calc(infinity)`. The infinity one is stack on top. https://cdn.masto.host/frontendsocial/media_attachments/files/112/019/401/866/626/789/original/72ac95043dc8a5dc.png
Haha, @lonekorean found the ultimate z-index hack. 😅https://codersblock.com/blog/playing-with-infinity-in-css/