Open the section’s gear icon and go to the Background tab (background options are available only on specific layouts).
- Background color (brush icon): pick a color for the section background.
- Patterns (grid icon): add a pattern and adjust things like Layout Background Color, Color Theme (Primary/Contrast/Mono), Shape Opacity, and Animate + Animation Speed.
- Background image (image icon): choose from the library or upload your own, then adjust Opacity, Effect (Regular/Blurry/Artistic B&W), Style (Cover/Duplicate/Contained), Position (Duplicate/Contained only), and Text Color. You can also enable Parallax when using Cover style.
- Background video (video camera icon): choose from the library or upload your own, then set Opacity, Effect (Regular/Blurry/Artistic B&W), and Text Color.