Another style from userstyles.org, modified a bit to solve some issues that have appeared in Microb. Screenshot:



Download it here, then import into your userContent.css (just place greader.css in the same folder where userContent.css is, usually ~/.mozilla/microb/chrome/, and insert at the beginning of userContent.css "@import url('greader.css');" without quotes) or paste all the code from it there.
Google Reader shortcuts page might be worth checking.
You may also be interested in modified version of Google maps page (check the whole thread for various solutions).