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HTML

In <a target=_blank href="http://www.w3.org/TR/2002/WD-css-style-attr-20020515#examples">Syntax of CSS rules in HTML's "style" attribute</a>, it seems CSS rules can be inserted into HTML <code>style</code> attributes. 

<hr>

<div style="* { color:green !important; }">
    <div style="color:red">red = fail, green = pass</div>
</div>

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