Is there a way to provide my own CSS template?

[GoogleCodeExporter]

It will be good if user can provide a custom CSS file, this way it can control 
the appearance of S3 index widget and list of columns to display. Your script 
should not return any CSS data, just a list of items with assigned CSS classes 
and the person, who embeds the widget into his/her webpage, will be able to 
decorate it.

Original issue reported on code.google.com by [email protected] on 27 Feb 2013 at 6:14