How do I edit font of only H2 tag?

Site URL: https://www.33vincent.com/

A client uses a different font for heading vs regular paragraph text. I'm interested in modifying only the h2 font, turning it into the paragraph font (While retaining the H tag) for SEO purposes. I cannot simply change the heading fonts due to style guide constraints, and inside "Design" you can only seem to edit all the Heading tags at once.

Is there a way (technical or otherwise) to make my H2 a specific font that is different from the other headings?

Thanks!

 

Add to Design > Custom CSS

h2 {
	font-size: 2.5em !important;
	font-family: monospace;
	color: red;
}