Thank you for your interest in our product.
I’m not certain where is “sticky header”. Is it menu bar as this image? If yes, please kindly follow these steps to do it:
1. Make sure you have directoryengine-child installed
2. Open style.css
3. Paste this code below inside style.css , and save
Otherwise, please kindly help us to clarify what you would to do.
If you have any other questions, we’d be happy to answer them!