How to create fancy corners using CSS corner-shape - LogRocket Blog
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How to create fancy corners using CSS corner-shape - LogRocket Blog
"Ever wanted to create a squircle, like today's app icons are doing, using only CSS? Or maybe an arrow or another shape that would normally require a background hack, an SVG, or a tricky technique involving masking or clipping? Well, now you can, using the corner-shape CSS property - no hacks, no SVGs, no masking, and no clipping - just one line of CSS."
"There's more to border-radius than meets the eye, but let's start with the basics. border-radius has four longhand properties, one for each corner: But did you know that they each have two axes, and that we can specify a different value for each one? Let's use border-top-left-radius as an example: /* Syntax */ border-top-left-radius: <x-axis-length> <y-axis-length>; /* Usage */ border-top-left-radius: 25px 50px;"
"Web browser support is limited to Chrome 139 and above, as well as other Chromium-based browsers such as Edge and Opera. But support in other browsers shouldn't be too far behind. In this article you'll learn about corner-shape and how to use it, as well as the more advanced side of border-radius and why it's crucial to using corner-shape effectively."
CSS introduces a native corner-shape property that lets developers create complex rounded-corner geometries like squircles and arrows using a single line of CSS without hacks, SVGs, masking, or clipping. Combining corner-shape with advanced border-radius values enables control over each corner's two axes, allowing non-uniform radii (for example border-top-left-radius: 25px 50px) to form varied corner shapes. Browser support currently exists in Chromium-based browsers starting at Chrome 139, Edge, and Opera, with other browsers expected to follow. Mastery of border-radius's axis-specific syntax is crucial to achieving precise corner-shape results.
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