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Sundial Shadow Frame
A raised stone lip casts its shadow across the face through a whole day: long and soft at dawn, short and crisp at noon, long at dusk, warming and cooling, all from one sun angle.
Also known as: sundial css animation, moving shadow border, day night cycle css, inner shadow animation.
Sundial
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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.