I have been trying to increase the size of my maptip frames on MacOS using Safari with limited luck. I have changed the size of the frames but have not been able to display text inside the frames. My knowledge of html is pretty basic .. about nil.
I have tried:
[% "LIGHT_COND" || '\n' || 'Persons ' || "TOTAL_PERS" %] <iframe width=3000 height = 3000> </iframe>