I was sent a copy of your Gmail invite. I clicked on the link and was taken to the sign on page and had no problems scrolling down. I've tried in both Firefox and IE.
This doesn't help you but will give you a 'bump'.
Best phone camera 2017
Stunning new film posters by Hattie Stewart, Joe Cruz & more
iPad Pro 10.5in (2017) review
28 astuces pour profiter au mieux de votre iPhone