There are many previous posts on the topic, too many to list. Regardless I’d rather not just install another plugin if there’s already a code snippet for this. It doesn’t seem to work though. I am using a child theme as suggested in previous posts.

The code snippet from kriesi is as follows:

$fonts['PT Sans'] = 'PT Sans:400,700,400italic,700italic';

I’m trying to add Metal Mania which has just one weight of 400. So what is wrong with the following:

$fonts['Metal Mania'] = 'Metal Mania:400';

https://fonts.google.com/specimen/Metal+Mania