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CSS Corner Shapes

The experimental corner-shape property enables superellipse curves in CSS, allowing you to create smooth, visually pleasing shapes beyond standard rounded corners. Read more on MDN →

border-radius: 50.0%;
corner-shape: squircle;

Button Examples

See how different corner shapes transform button appearances. Each button uses the same large border-radius but with different corner-shape values.

border-radius: 999px;
border-radius: 999px;corner-shape: squircle;
border-radius: 999px;corner-shape: superellipse(1.25);

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