<!DOCTYPE HTML> <html class="reftest-wait"> <head> <title>CSS 2.1 Test Suite: generated content</title> <link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" /> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/generate.html#content"/> <meta name="flags" content="dom" /> <style> body { font-family:sans-serif; } body::before { content:attr(my-attr); } body::after { content:attr(my-attr-2); } </style> <script> function fixupDOM() { document.body.setAttribute("my-attr", "before"); document.body.setAttribute("my-attr-2", "after!"); document.documentElement.className = ""; } </script> </head> <body my-attr-2="xyz" onload="fixupDOM()"> </body> </html>