1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
4 <title>Syntax and parsing of unknown pseudo-classes</title>
5 <style type="text/css"><![CDATA[
6 p { background: lime; }
7 p:subject { background: red; } /* this is not valid CSS, and if UAs
8 implemented the experimental :subject pseudo-class they should have
9 used the :-vnd-ident syntax. */
11 <link rel="first" href="css3-modsel-1.xml" title="Groups of selectors"/>
12 <link rel="prev" href="css3-modsel-159.xml" title="Syntax and parsing of new pseudo-elements"/>
13 <link rel="next" href="css3-modsel-161.xml" title="Syntax and parsing of unknown pseudo-classes and pseudo-elements"/>
14 <link rel="last" href="css3-modsel-d4.xml" title="Dynamic updating of :first-child and :last-child"/>
15 <link rel="up" href="./index.html"/>
16 <link rel="top" href="../../index.html"/>
19 <p>This line should have a green background.</p>