30 Seconds of CSS

Long-scrolling One Pager hosting a curated collection of useful CSS snippets you can understand in 30 seconds or less. You can find the updated non-One-Page site (Oct 2021: the redesigned to a multipage resource you can find here.

This website has unfortunately been redesigned or gone offline, so I have removed the direct link to it. The screenshot below hopefully preserved enough of the design but if you are really keen to inspect further, try this Archive.org link. FYI: the site was first featured on 09 April 2018.