This is an example of some html added by following tabs:
Posting > Edit Posts > Edit Html
Add your html with inline styling;
eg <p style="font-family:arial; font-size:14px; border:1px #ff0000 solid;">
You can use this Google Blog application to automatically send RSS feeds; see the "Subscribe to:" link at the bottom of this page*. Every time you add a new posting, it updates your RSS feed and subscribers are sent the latest heading and entry with a link to the full posting.
*if you encounter errors with the Atom RSS feed, try the orange button on the right of the browser's url address field; it should give you the choice to subscribe with either Atom or regular RSS.

