// the find
mdo/github-wide
Userstyle for making all of GitHub completely fluid.
A CSS userstyle by GitHub's own @mdo that makes GitHub's layout fluid/full-width instead of the fixed-width container it shipped with. Aimed at developers who find GitHub's narrow column layout wasteful on wide monitors, particularly when reviewing code or split diffs.
Simple and surgical — it's just CSS overrides, no JavaScript, no build step, no runtime overhead. The author worked at GitHub, so the overrides are informed by actual knowledge of the DOM structure rather than guesswork. Covers both github.com and gist.github.com separately, which is a small but appreciated detail.
Last updated December 2020 — GitHub has redesigned significantly since then and the CSS selectors almost certainly break on current GitHub. The README explicitly says 'no such project is under way' for an official wide layout, and GitHub has since shipped a configurable column width natively, which makes this largely obsolete. Installation requires manually copying CSS rather than a one-click install from a maintained source, and userstyles.org links may be dead.