Progressive Enhancement with CSS

A List Apart: Articles: Progressive Enhancement with CSS: "As we’ve discussed, there are numerous ways to begin implementing progressive enhancement on your site using CSS. The easiest, and perhaps best, way to begin is by organizing your stylesheets and making informed decisions about how those stylesheets will be connected to your document. Handling the idiosyncrasies of IE is a breeze once you understand the power of conditional comments, and you can accomplish more granular tweaking in the CSS itself if you’re discerning about the selectors you choose and the situations in which you use them."