如何将CSS引用添加到。net SyndicationFeed?

I have created a simple SyndicationFeed with many SyndicationItems. Each SyndicationItem has HtmlContent. The HtmlContent is a table. This displays OK, but now I need a minimum of styling/padding on the table. I believe I need to add a stylesheet reference likeI have created a simple SyndicationFeed with ma