How to Delete items from Address bar history and make more screen space: Firefox Trick

Firefox is a open-source Browser and it was one of favorites in the
computer World. But it is not much Trending now as it should be-
Here are two simple tricks that make your Firefox browser a great one
again. Lets take a look at:
This to delete items from Address Bar history:

Well thats an easy task to do you just need to follow the Instructions below
1. Go to Address Bar (Ctrl+L).
2. Start Typing an address, you can see Menu is showing up with the
URLs of the pages you visited.
3. Use the down Arrow and get to the address you wanted to remove &
Just Press DELETE. The address is removed. Cheers!

This to Make more Screen Space:
If you wanted more screen space then make your browser's icons small.
Follow the instructions below:
1. Go to View and then to Toolbar.
2. Choose Customize and check the "use small Icons" Box.