About normalize.css. Normalize.css is a small CSS file that provides better cross-browser consistency in the default styling of HTML elements.
It’s a modern, HTML5-ready, alternative to the traditional CSS reset. Normalize.css is currently used in some form by Twitter Bootstrap, HTML5 Boilerplate, GOV.UK, Rdio, CSS Tricks, and many other frameworks, toolkits, and sites. Overview Normalize.css is an alternative to CSS resets. Necolas/normalize.css - GitHub. Normalize.css: Make browsers render all elements more consistently.