Omnibar addon little problem Rated 4 out of 5 stars

With Omnibar addon the search engine icon is not centered in address bar. (in 8.1 version was OK)

This review is for a previous version of the add-on (5).  This user has other reviews of this add-on.

thank you~
https://addons.mozilla.org/en-US/firefox/addon/omnibar/versions/