kamrojo

See my existing post here to see if this helps:
 

Yes. In the same way that you specified the font-size for the heading or the text, you can specify the font-family in the relevant section. The font must be one that is already in use on the site.
Your site is currently password protected so you'd need to publish the public password for us to provide specific advice.

For example, to change the heading font you could add a font-family line into the existing CSS like this:
h1 {     font-size: 34px!important; font-family: neue-haas-grotesk-display; }