UD5 Toolkit
CSS Specificity Battle – Compare Two Selectors Side by Side
Enter two CSS selectors and see which one wins in a specificity battle. Displays the (a,b,c) score and explains why one overrides the other.
Tag: CSS Specificity Calculator
6+ toolsCSS Specificity Auditor - Online Sort & Find Overrides
Paste your CSS and see rules sorted by specificity. Find overrides and potential collisions. Understand your cascade.
CSS Cascade Layers (@layer) Playground - Online Editor
Understand @layer by visually ordering style layers and seeing which rules win. Fix specificity battles. Modern CSS architecture.
CSS Specificity Battle - Online Fight Two Selectors
Enter two CSS selectors and see which one would win in a specificity battle. Visual score breakdown.
Visual CSS Specificity Calculator - Online (0,0,1) Style
Enter a CSS selector and see its specificity broken down into A,B,C columns with a visual weight comparison. Learn specificity.
CSS Pseudo‑Class Playground - Online Test :is(), :where(), :not()
Write compound selectors and instantly see which elements they match on a test page. Master complex CSS logic.