In Elementor, you can set an image or color as a background for your content.
To add a background to your Element:
1. In Elementor, select the element for which you want to add a background so that a new dashboard on the left will emerge with the element's settings.
2. From the Advanced tab, go to Background section. Now you have full access to customization options of element's background.
3. Change the settings and Update your layout.