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Short filings lie at random angles around a bar magnet button. On hover each one turns to follow the field lines around the poles, in a wave from the poles out, glowing strongest near them.
Also known as: iron filings css, magnetic field lines hover, align to field animation, magnet button hover.
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Everything you see above is live. Basic and Pro include every premium piece, with the HTML and CSS ready to copy, plus the Tailwind version where there is one and Motions in Claude Code on Pro.
--hfx-color on the element or a parent.
Currently previewing #3b82f6.--hfx-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 16px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.