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One of the primary advantages of CSS—particularly to designers—is its ability to easily apply a set of styles to all elements of the same type. Unimpressed? Consider this: by editing a single line of CSS, you can change the colors of all your headings. Don’t like the blue you’re using? Change that one line of code, and they can all be purple, yellow, maroon, or any other color you desire. That lets you, the designer, focus on design, rather than grunt work. The next time you’re in a meeting and someone wants to see headings with a different shade of green, just edit your style and. | Applying CSS3 to Documents Selectors Specificity and the Cascade O REILLY8 Eric A. Meyer Selectors Specificity and the Cascade Eric A. Meyer o REILLY Beijing Cambridge Farnham Koln Sebastopol .