When you start using your Firefox 4 you may feel something is missing, they are nothing but the buttons like Go, Refresh, Stop etc. you can get this by following these simple tips.
This is the default way your Firefox 4 will be shown,
Click customize button as shown in the screenshot below,
This will show the customize window as the one shown below, from the show drop down select ‘Icons and Text’ and click Done.
This will now show the Icons with text which will have a better look and feel.