📐 Browser-native calculator for computing visually correct nested border-radius values from outer radius, padding, and inner radius. Zero-build tool with real-time preview, bidirectional sync, and 14-language i18n support.
multilingual i18n github-pages ui-design vanilla-javascript static-site web-design responsive-design design-tools css-variables border-radius design-system corner-radius frontend-tools css-utilities css-calculator designer-tools zero-build nested-borders visual-calculator
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Updated
Mar 19, 2026 - JavaScript