I just bought an Windows 8.1 just to be able to test KRpano.
Installed it in my Parallels-
Found that textfield CSS is ignored in IE 11
See the attached image
Top Chrome
and at the bottom IE 11
Font should be Georgia Bold at top and Georgia Regular next.
Small text in Verdana
As you can see IE 11 shows everything in Verdana same size
Checked it also in Win XP and IE8 shows it correct in Flash