I’ve installed the Church demo theme on my site and many of my pages have a beige/tan bar with the page title. I cannot find a place to access that element to change the background color into a white/no color one. Here is a screenshot on what it’s like on “About”:

I’m not sure where to look for in the Global CSS to locate and replace if that’s what making it look like this (I’d need step-by-step help with this as I’m a newbie to CSS).
Thank you

