I have imported a new font but can't find it in the list to use

I used your instructions to import a font - Raleway. It seemed to accept the CSS code but I can't see the font as an option to choose. This is a link to the form https://www.jotform.com//?formID=52586469265974#design 

Thank you for your help.

Try adding this code to your form to change everything to raleway:

http://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes

@import url(https://fonts.googleapis.com/css?family=Raleway);
*, .form-label, .form-label-top, .form-all, textarea, input, button {
font-family: 'Raleway', sans-serif !important;
}

That should ensure the full form is using Raleway.  This would be the resulting form with the above code added:

https://form.jotform.com/60275856929975