Premium
Theme Split Sweep
A diagonal seam with a spinning sun chip on it sweeps across a headline card, restyling the type from a glowing dark theme to a crisp light theme and back again.
Also known as: dark mode light mode text, theme switch animation css, split theme headline, day night text transition.
Any theme
Premium
Unlock the HTML and CSS
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.
Customizing this snippet
- Color: set
--txt-coloron the element or a parent. Currently previewing#3b82f6. - Font size: set
--txt-size. Every other dimension is inem, so the whole thing scales together. Currently previewing40px. - 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.