Yes, you can change the entire background colour of your pod.
Watch the demo here:
Step-by-step guide on changing your background colour
Click on the Branding icon on the upper right.
You can select a background design from:
Themes
OR In the Pod Background Section you can select:
Solid - 1 solid colour background from your preferred colour palette
Gradient - a blended range of 2 colours from your preferred colour palette. You can also choose the direction - Vertical, Radial, Horizontal, Diagonal
Image - you can upload an image file or search for stock photos from the Unsplash or Logo Search tab