Slim down 2000

Επιλεγμένη λύση When your two screens do not have the identical resolution, Firefox sometimes miscalculates the top position of the tabs. There is a hack to force Firefox to draw the tabs a pixel higher to close the gap if you do not get a better workaround. This involves creating a userChrome.
If you aren't familiar with that, when you have 10 minutes to spare, this is how you set it up: This assumes you do slim down 2000 already have a userChrome.
If you do already have a working userChrome. See first attached screenshot Use the downloads list on the toolbar to open the downloads folder directly to the new userChrome. See second attached screenshot Minimize that File Explorer window for later reference.
D Move the userChrome. Unfortunately, it will apply to all windows, whether they need it or not, but hopefully losing that slim row of pixels won't be a problem.
When your two screens do not have the identical resolution, Firefox sometimes miscalculates the top position of the tabs. If you aren't familiar with that, when you have 10 minutes to slim down 2000, this is how you set it up: ''This assumes you do not already have a userChrome.
If you ''do'' already have a working userChrome.