Membuang Title Bar di Firefox dan menambah tampilan layar
Step 1
Open Firefox browser and click on the hamburger menu. Choose the customize option from this menu.
Step 2
Firefox opens the customization menu in a new tab. Move to this new Customize tab and look at the bottom. You’ll see Title Bar option checked.
You just need to uncheck this Title Bar option. That’s it.
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You’ll notice that title bar disappears immediately. No need to even restart the browser.