Hi @BDemiri happy to help!
The Power Sec Hero module has it’s own background image option for desktop, tablet, and mobile so smart rules aren’t needed.
If you aren’t seeing the smart rule, it’s likely not being recognized by the HubSpot preview tool - I’ve found that they are best verified on actual devices.
Here is the Power Theme documentation for Section Modules, you’re looking for this setting:
You’ll find it in the module by scrolling down to the Style section:
and you’ll change the background setting here:
to Background Image/Video:
