Recapping transitional designs
Use margin and padding instead of extra cells and spacer GIFs.
Use link and @import styles. The first for old browsers, the second for modern browsers.
<link href="basic.css" rel="stylesheet" type="text/css">
<style type="text/css" media="screen"><!--
@import url(modern.css) screen;
--></style>
Real world examples:
But wait, there’s more:
For more information on transitional design, see chapter one of Eric Meyer on CSS and much of Jeffrey Zeldman’s Designing with Web Standards.