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Exam Bubble Fill
An answer sheet bubble. Checking hatches it with fast zigzag pencil strokes, then a smudge pass softens them into solid graphite with a sheen, and the bubble's letter knocks out in paper white.
Also known as: answer sheet bubble checkbox, pencil fill checkbox, multiple choice bubble css, scantron bubble animation.
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Customizing this snippet
- Color: set
--chk-coloron the element or a parent. Currently previewing#3b82f6. - Size: set
--chk-size. Every other dimension is inem, so the whole thing scales together. Currently previewing24px. - 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.