I don't think so. I checked all bottom links and nothing came up. Not even settings. In a nutshell: Nope.
P.S. For your description, yes! Go to options. At the top of the colored boxes, you will see "Backround." Click the color and change it up!1
1| If you want all black click the crescent moon in the bottom right corner to toggle dark mode. It's much faster than specifying the black color.