NEGATED contains attribute selector with empty valueLachlan HuntCSS 3 Module W3C Selectors Previous NEGATED starts-with attribute selector with empty value Test # 276 of 276 of the static tests category Testing NEGATED contains attribute selector with empty value ID 184f Date 2008-10-30 Revision 1.0
This text should be green.
This text should be green.
p { color: red; }
p:not([class*=""]) { color: lime; }
<p xmlns="http://www.w3.org/1999/xhtml" class="">This text should be green.</p>
<p xmlns="http://www.w3.org/1999/xhtml">This text should be green.</p>