Feature is not part of formal spec and will be subsumed by upcoming css-line-grid spec in discussion. Only supported by Safari among major browsers. Utilization is low.




Working draft or equivalent

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 12
  • Chrome for Android release 12
  • Chrome for iOS release 12
  • Android WebView release 12

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No signal
  • No signal
  • No signal
  • No signals


Search tags

css, leading, glyphs, text, layout, line-box-contain,

Last updated on 2020-11-19