Can we utilize Themes in OSF, as we did in Classic framework?

**This post was created as part of a How to Service Request (SR) 

Summary:

Customer would like to know if they can implement themes in OSF, as they did in classic framework.

Content (required):

In classic framework, you could utilize themes for the site, essentially like global css applied to the entire site. Customer would like to know if they can utilize this in OSF

Version (include the version you are using, if applicable):

22.3.1