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Firefox for Web Developers

@webdevs.firefox.com

CSS text-box is newly baseline, and it's solves a common text layout issue. Here's how it works:

So nice! Hope margin-trim is next, super helpful in design systems.

Firefox for Web Developers

@webdevs.firefox.com

Follow along at bugzilla.mozilla.org/show_bug.cgi.... Some of the design of that feature is still in flux, but I mention it in tomorrow's video.

bugzilla.mozilla.org1506241 - (margin-trim) Implement the margin-trim property from CSS Box Level 4NEW (nobody) in Core - Layout. Last updated 2026-08-17.

19/8/26, 2:57 pm0 reposts2 likes

Awesome! Appreciate upcoming video. This feature definitely needs more attention.