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Glint Rim Runner
A liquid glass button whose rim carries one glint, quick on the straights and slow round the ends. On hover two glints split from the bottom, race round both ends and meet at the top in a flash.
Also known as: glowing border button css, liquid glass button glint, running light border css, specular rim animation.
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Customizing this snippet
- Color: set
--gls-coloron the element or a parent. Currently previewing#3b82f6. - Base size: set
--gls-size. Every other dimension is inem, so the whole thing scales together. Currently previewing16px. - Speed: change the duration on the
transitionoranimationshorthand. Staggered delays are relative, so they keep their rhythm. - Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.