GTK_THEME=Adwaita:dark libreoffic
or set in fish config:
set -x GTK_THEME Adwaita:dark
i.e. some stuff and junk about Python, Perl, Matlab, Ruby, Mac X, Linux, Solaris, ...
GTK_THEME=Adwaita:dark libreoffic
set -x GTK_THEME Adwaita:dark
=IFERROR(XLOOKUP(C2,'file:///mnt/marks.ods'#$Sheet1.$C$2:$C$115,'file:///mnt/marks.ods'#$Sheet1.$AC$2:$AC$115,""),"")
soffice --headless -convert-to pdf *.docx --outdir some_output_folder