How to use Google Fonts to your forms

hi there i have no clue how to set up the css to add google font raleway to my form and its labels

please advise 

You can try to add CSS codes to the CSS tab of the Designer

or you can also add by Injecting Custom CSS codes on your form. 

You may use this guide as your reference: How-to-Use-Google-Fonts-in-your-Form

I hope this helps. Let us know if you need further assistance. Thank you.