jQuery Masonry : A dynamic layout plugin for jQuery
The flip-side of CSS floats
98.css : 98.css is a CSS library for building interfaces that look like Windows 98.
Normalize.css : A modern, HTML5-ready alternative to CSS resets
Normalize.css makes browsers render all elements more consistently and in line with modern standards. ...
css3-mediaqueries-js : make CSS3 Media Queries work in all browsers (JavaScript library)