'''Some of my favorites Styles''' will help you with that, first install the "'''Stylish'''" extension * '''Stylish''' :: Add-ons for Firefox<br>https://addons.mozilla.org/en-US/firefox/addon/stylish/ * '''Bookmarks Toolbar Fx4 Blue/Folders, Red/Bookmarks''' <br>http://userstyles.org/styles/46947/bookmarks-toolbar-fx4-blue-folders-red-bookmarks Then you can improve the Tabs Bar as well * '''Tab Color Underscoring active/read/unread (Fx3.6)''' - (actually borders)<br>http://userstyles.org/styles/24728 * '''Tabs Bar Minimal Size''' <br>http://userstyles.org/styles/9043 * '''Tabs, Enlarge list-all-tabs button''' <br>http://userstyles.org/styles/18553 And discover '''additional styles and extensions''' of interest * http://kb.mozillazine.org/User:Dmcritchie

You can hide the icons or edit the names to make them smaller. *Bookmarks Deiconizer: https://addons.mozilla.org/firefox/addon/bookmarks-deiconizer/ * https://support.mozilla.com/kb/how-do-i-use-bookmarks