we will follow the below approach for AF:
1. Reset all browser CSS.
2. Define common CSS properties for the common HTML elements.
3. Define CSS properties to specific selectors.
http://www.cssreset.com/CSS Reset | 2012's most common CSS Resets to copy/paste, with documentation / tutorials
CSS Reset | 2012's most common CSS Resets to copy/paste, with documentation / tutorials
All the most common CSS Reset scripts in one place to copy/paste, with complete documentation, guides and tutorials.