SMRTR ProgrammingJan 28, 2026Daily.dev

Making interesting borders with CSS corner-shape

SMRTR summary

CSS's corner-shape property enables developers to create beveled, scooped, notched, and squircle corners without complex pseudo-element workarounds. The property works alongside border-radius and includes a superellipse function for numerical control, enabling smooth animations. Currently limited to Chromium browsers, it replaces old triangle-based hacks with simple CSS declarations.

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