string-set-006.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: GCPM string-set with content(before)</title>
<link rel="author" title="Dave Cramer" href="mailto:dauwhe@gmail.com">
<link rel="help" href="http://www.w3.org/TR/css-gcpm-3/#setting-named-strings-the-string-set-pro">
<meta name="flags" content="paged">
<meta name="assert" content="Test checks that a named string can be set to the content of the before pseudo-element">
<style>
@page {
@top-center {
content: string(title);
}
}
h1 {
string-set: title content(before);
}
h1::before {
content: 'before-';
}
</style>
</head>
<body>
<h1>Chapter Title</h1>
<p>Test passes if “before-” appears in the running head at the top of the page.</p>
</body>
</html>