GPII-173: Removes space at bottom of iframe for win browsers
GPII-173: Margin increased on iframe, to remove gap when enlarged
GPII-173: Margin changed to px to not be affected by enlarge
GPII-173: Removed margin tweak and set line-height instead
Merge remote-tracking branch 'heidi/GPII-173'

* heidi/GPII-173:
  GPII-173: Removed margin tweak and set line-height instead
  GPII-173: Margin changed to px to not be affected by enlarge
  GPII-173: Margin increased on iframe, to remove gap when enlarged
  GPII-173: Removes space at bottom of iframe for win browsers