🏠 New in Low Baseline Support: Spelling and grammar text decorations

December 12, 2025

caniuse · mdn · spec

The text-decoration-line: spelling-error and text-decoration-line: grammar-error CSS declarations apply the browser’s marking for spelling and grammatical mistakes. This is typically a wavy underline in red or green.

Source features

• css.properties.text-decoration-line.grammar-error [mdn]
• css.properties.text-decoration-line.spelling-error [mdn]