New.css – A classless CSS framework to write modern websites using only HTML
This Github repository tracks a whole bunch of these drop-in CSS files: <a href="https://github.com/dohliam/dropin-minimal-css" rel="nofollow">https://github.com/dohliam/dropin-minimal-css</a><p>And you can use this demo site to switch between them all on the fly: <a href="https://dohliam.github.io/dropin-minimal-css/" rel="nofollow">https://dohliam.github.io/dropin-minimal-css/</a>