If you're browser supports custom CSS files (which pretty much every browser does), you can just use the following:<p><pre><code> a[rel~="nofollow"] {
background-color: rgba(255,0,0,0.10);
//background-color: rgb(255,0,0);//for people without rgba
}
</code></pre>
Credit to Tom: <a href="http://tlrobinson.net/blog/?p=37" rel="nofollow">http://tlrobinson.net/blog/?p=37</a>