Post a Comment On: Sergi Adamchuk's blog

Звідси

1. Type about:config in the address bar

2. Change browser.tabs.closeButtons to the value you wish.

0 - Display close button only on the active tab
1 - Display close buttons on every tabs
2 - Never display close buttons
3 - Display single close button at the end of the tab strip (This is the old, default Firefox 1.5 behavior)
If browser.tabs.closeButtons does not exist, you can create it. Right-click the page and select New and then Integer