xfinity connect app displaying ridiculously large font

[FDSJr]

There is probably a simple solution to this problem, but I can't seem to find it.  A few days ago, for no reason that I could tell, the display font for the email (and everything else) in my Xfinity Connect app changed to a very large size.   Just the list of inbox messages almost fills the entire screen.  Obviously I accidentally did something to cause this, but I can't seem to fix it.  Can anyone tell me how to return the display font to a normal size again?

[sgdarigo]

I'm having the same problem! Has your problem been resolved? I'm trying to figure out how to contact a human for help.

[Latoque · Accepted solution]

On a Windows machine, hold down the Cntrl key, then tap the - key to reduce it, the + key to increase it, or the 0 (zero) key to return it to the default.

[FDSJr]

Hello and thanks very much.  Your solution worked perfectly.  I was not aware of Ctl & +/- trick and I am happy to learn about it.  I have no idea how I managed to move from the default to the very large, but obviously I must have accidentally hit those keys.  Thanks again for the help.