I’ve been trying to set up an image to be the banner on my blog page, but when I use the following CSS code, part of the image always seems to get cut off and I’m not sure what to do to resolve it.
Yeah, that didn’t work for me at all. It’s just a blank image. Also I’m not trying to have an image over my site title, I’m trying to have a banner like https://nowlisteningto.com/
I just realized that you’re already using as a template the CSS entries I just shared. If the image is getting cut-off, then the image is most likely too big. You can try resizing it to a smaller size.
Another option is to control it via the background-size css property. Instead of setting it to cover, use a pixel value instead, like say 500px. You will most likely have to play around with it.