Why isn't my black font visible on certain pages?

[Luxurymrkt]

Hi my black font isn’t showing up

on pages to see what to add - not sure if the font is set to white?

1)contact form - https://luxurymrkt.com/pages/contact-luxury-mrkt-1

2)account login - https://luxurymrkt.com/account/login

3. create account - https://luxurymrkt.com/account/register

[Luxurymrkt]

It should say name

email

etc etc