Yes, you can add Background Overlay to the slide background using Xpro Multi-Layer Slider Module. You need to enable Overlay by doing it On and select the specific color for the Background Overlay of your slide. To add and enable Overlay to slide background, you have to follow a few steps:
Step 1: Open the Multi-Layer Slider module setting in the Xpro Advanced Modules section.
Step 2: Drag and drop the Multi-Layer Slider module.
Step 3: Go to the Slides tab and click on the Edit Slide.
Step 4: Now, go to the General tab in the Edit Slide section and then select the Overlay Style for your slide background from the dropdown menu in the Background Overlay section. You also have the option here to select the Overlay Color for the slide background.
Step 5: Similarly, you can add Overlay style and pattern style in background overlay and background pattern options respectively.
Finally, make the other necessary changes from slide animations and click the Save button once you are done.