New CSS for code
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I shamelessly copied the following CSS from [Oliver Boermans](http://www.ollicle.com) who uses this in one of his [NetNewsWire][nnw] themes. I like it mostly for the overflow, but it does set code off by itself. I hope that Matt adds it to the default themes in [Squib][]. Subtle hint. pre { background-color: #f9f9f9; border: solid 1px #ccd;…