WordPress Sticky headers make your header or menu visible at all times.
1. Click the Edit Section 
icon in your Header, and in the panel go to Advanced
icon in your Header, and in the panel go to Advanced2. Click on Motion Effects, and slide the Sticky Header ON
3. Choose the devices you need (desktop, tablet, mobile)
4. Update and add Conditions. Click to learn about Conditions.
Learn more about Header Design
Note: You have to deactivate The stretch section feature to be able to use the Scrolling Effect, otherwise the Scrolling Effect tab won't appear.