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CSS Modules notes for developers

Master CSS Modules with a curated set of 2 developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · CSS Modules

Local Scoping: How CSS Modules Actually Work

Local Scoping: How CSS Modules Actually Work Solving CSS's Global Namespace Problem In plain CSS, all class names share one global namespace — two unrelated files both defining .button or .container can accidentally coll…

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02 · CSS Modules

composes, :global & CSS Modules vs. Other Approaches

composes, :global & CSS Modules vs. Other Approaches Style Reuse with composes .base { border-radius: 4px; } .primary { composes: base; background: blue; } composes lets a class inherit another class's styles without dup…

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