Rated 5 out of 5 stars

the users who are using glasser extension , finds the number cut off on one side.When the FF3 is maximized then it is hard to read the number as it is black and have dark background.
To over come this problem you can use the following code in the Stylish addons(https://addons.mozilla.org/en-US/firefox/addon/2108)


toolbar #tabcounter-toolbar-item {

color: white !important;
font-family: Arial !important; font-size: 9pt !important; font-weight: bold !important;
}

This review is for a previous version of the add-on (1.3). 

You can just put your posted code in your userChrome.css file in your profile's Chrome directory and it does the same thing.