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Générateur CSS Border Radius
Construit border-radius avec la syntaxe elliptique complète à huit valeurs, la réduit à la forme courte la plus courte et signale le facteur d'échelle quand les rayons débordent. L'aperçu redimensionnable montre comment les pourcentages diffèrent des pixels.
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CSS
Rendered by your own browser, so the preview is the real thing rather than an approximation. Percentages are relative to the box: horizontal radii to its width, vertical radii to its height — which is why a percentage radius changes shape when the box does and a pixel radius does not.
How Générateur CSS Border Radius works
- Open Générateur CSS Border Radius and review the example state before entering your own values.
- Enter or select the information needed for Générateur CSS Border Radius.
- Review the result and adjust the inputs if you want to compare another case.
Builds border-radius with the full eight-value elliptical syntax, collapses it to the shortest shorthand, and reports the spec scaling factor when radii along a side overflow. Resizable preview shows how percentages differ from pixels. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Générateur CSS Border Radius used for?
Builds border-radius with the full eight-value elliptical syntax, collapses it to the shortest shorthand, and reports the spec scaling factor when radii along a side overflow. Resizable preview shows how percentages differ from pixels.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Générateur CSS Border Radius. Use the result as a planning aid and verify important decisions independently.