turnermm This would have been perfect.
Except that where I actually need the tables to have a smaller font is when exporting to ODT, to fit the whole table on one page, online it's not that important.
This, while it works nicely without any addons, is not recognized by the ODT export plugin =(
I'll need to check out ckgedit, even if I'd like to limit the number of plugins I'm using...
edit:
ckgedit font sizes also do not export to ODT