Comment # 8 on bug 1178787 from Maurizio Galli

(In reply to Maurizio Galli from comment #7)
> (In reply to Eion MacDonald from comment #6)
> > 20201120 In KDE the resize works fine. On my Dell laptop LEAP15.2 XFCE, it
> > only resizes the *horizontal screen size*,  across the screen width; so has
> > no effect whatsoever on the vertical height. So this re-size does not enable
> > me to resize and cure  problem. This same state when last about many months
> > ago this but  was present in XFCE.
> 
> Could you share your Display Settings resolution, System Font size and DPI?

For the display resolution you can just type this command in the terminal:

xrandr | grep '*'