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Firefly Rim
Seven fireflies drift slowly along the inside of the frame, each blinking on its own rhythm, and every blink lights up the short stretch of edge right beside it.
Also known as: firefly border css, glowing dots border, firefly animation css, night glow frame.
Dusk
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Customizing this snippet
- Color: set
--bdr-coloron the element or a parent. Currently previewing#3b82f6. - Base size: set
--bdr-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.