How to change base color of Prism Theme

Custom CSS & Theme Design
4

Got it.

That area looks to be set by --background-secondary, so you could change it with this, for example:

body.theme-light {
    --background-secondary: hsl(0, 0%, 80%);  /* hsl(0, 0%, 93%) */
}

Screenshot 2025-07-12 at 11.12.45
Screenshot 2025-07-12 at 11.12.451416×330 20.4 KB

How to CSS snippets if needed.