Web platform features explorer

baseline-source

The baseline-source CSS property controls how inline-level boxes with multiple lines of text are aligned with the surrounding text. By default, which typographic baseline is used depends on the display property value.

Status

Limited availability

MDN documentation

Specifications

Browser support

  • Chrome 111 Released on 2023-03-07
  • Chrome Android 111 Released on 2023-03-07
  • Edge 111 Released on 2023-03-13
  • Firefox 115 Released on 2023-07-04
  • Firefox for Android 115 Released on 2023-07-04
  • Safari ❌ Vendor position : unknown
  • Safari on iOS ❌ Vendor position : unknown

Baseline availability blocked since July 2023 by Safari (31 months)

Usage (according to Chrome Platform Status)

~0.022% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist