Signing on to Vangaurd Brokerage no continue button

Does hitting the Enter key do anything?   Or try to zoom out the screen size, maybe reduce it to 70% to enable the Continue button to be visible...   See the link below for other suggestions.

Import Troubleshooting

The issue was 

the account number input box  

and the password input box on my iMac screen were basically white on white

with no contrasting box colors 

so I could not see 2 input boxes

i was entering the 1099R account id # in the first box and not seeing the second box for the following input