Grav Agency Theme Change Form Text Colour

Hey i cant find a way to change the Colour of the text on the email form. i mean the EMAIL NAME and MESSAGE*
its grey and i would like to have it in #fff.

nhi-systems.de is the site.

Thanks for help

Hello,

You have to change the css, you could add this:
label {color:#fff;}

You could add it in your css/custom.css

Worked fine, thank you very much for youre help!