Recent answers to Hide Firefox titlebar (border) in Linux (Openbox)https://support.mozilla.org/en-US/questions/12953172020-07-18T17:23:10-07:00I found the answer, another one then the one I used before. The best solution is:
Add this to /home/2020-07-18T17:23:10-07:00ron80https://support.mozilla.org/en-US/questions/1295317#answer-1334095<p>I found the answer, another one then the one I used before. The best solution is:
</p><p>Add this to /home/user/.config/openbox/environment
</p><p><em>export MOZ_GTK_TITLEBAR_DECORATION=client</em>
</p>