How to change text colour in filled section?

When people fill the form, the text colour is grey and it's hard to read, how to change the colour?

 

I checked your form and I can see that your issue is now resolved. It is possible that you were able to fix it yourself. Here's a screenshot:

If you need further help, let us know. Than you.

Thank you for getting back to me. I looked it up and found other members
have the same issue and I followed their resolution.
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Great! Glad to see that you found the solution from the support forum and fixed the issue. Please do not hesitate to get back to us if you need any further assistance. We will be happy to help.

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