Couldn't change the text colour of my button

I couldn’t change the colour of my button. It is black at the moment in the Contact Us form. The text colour changes with the form text colour.

@KitLing - please share this page link

Hi @KitLing

Can you give me your page URL( with pass if your store password is enabled) so I can check it and maybe give you a solution?

Kind & Best regards,
GemPages Support Team

URL: sanjorajewelry.myshopify.com

password: awviap

URL : sanjorajewelry.myshopify.com

PW: awviap