alexei.dolgolyov 1559440a21 Add scroll-to-top button ...

Fixed button in bottom-right corner appears after scrolling 300px,
fades in with slide-up animation, smooth-scrolls to page top on click.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-10 12:06:08 +03:00

18 KiB

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