One HTML file, no framework, Primer colours copied by eye, Octicons copied by hand. The list is live: it is the GitHub source of the Steal This board, ranked by heat, with "stars today" made up the same way GitHub makes it up.

What I copied: the dark header, the explore hero, the Box with the Repositories/Developers subnav, the select menus, the Box-row with language dot, stars, forks, "Built by" avatar, and "N stars today".

What I did not copy: the login wall on the Star button. Ours links to the Steal This item instead.