Close Button 0.2

Close Button is a useful Firefox extension that adds a Close Tab button to the toolbar. This is especially handy if you put your tab bar at the bottom, but want a Close Tab button in the top right, where youd find it in most well behaved Windows programs with child windows. Close Button is a concession to the muscle memory instilled by years as an Opera user.

The buttons appearance is determined by the installed theme. Once installed, just right click on the toolbar, select "Customize...", and drag the button wherever you like.