Simple.css is a classless CSS framework that makes semantic HTML look good, really quickly. By classless it means that there are no CSS classes anywhere in the CSS or the HTML. So your website can look just like this using plain old vanilla HTML.

Micromodal.js is a lightweight, configurable and a11y-enabled modal library written in pure JavaScript

In this post, Richard Schneeman shows us how to lighten our web page by getting out SVGs from our HTML.