Hello can you add the possibility to change of +1 or -1 fixed zoom with the keys? I tried the combination CTRL - and CTRL + but do not change the options of "fixed zoom" but change the original values ​​of firefox zooming that conflict with fixed zoom value. I think that you can set the preferred zoom with the keys ranging of +1 or -1 is a comfortable I suggest you add it in the next version, thanks, hello