Rated 5 out of 5 stars

nice

This review is for a previous version of the add-on (0.3.1).  This user has 3 previous reviews of this add-on.

if you meant that little + sign next to the tabs, that comes with firefox by default

copy this into userchrome.css, restart, and it should make the + always show

#tabbrowser-tabs>.tabs-newtab-button{display:-moz-box!important}