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CSS Pseudo-class / Element

:is()

Logical

Matches elements that match any selector in a given list, reducing repetition.

Syntax

:is(selector1, selector2) { }

Example

:is(h1, h2, h3) { color: #3dffa0; }

Common use cases

  • Grouping multiple selectors cleanly
  • Reducing repetition in CSS
  • Targeting multiple heading levels at once

Practical developer insight

:is() takes the specificity of its most specific argument — use :where() instead if you want zero specificity.

Related

:where():not():has()