https://css-tricks.com/yet-another-way-to-center-an-absolute-element/
Yet Another Way to Center an (Absolute) Element | CSS-Tricks
Mar 6, 2026 - TL;DR: We can center absolute-positioned elements in three lines of CSS. And it works on all browsers!
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https://css-tricks.com/how-to-animate-the-details-element/
How to Animate the Details Element | CSS-Tricks
element css tricksanimate