"Fixed" Background looks great in design/editor but

“Fixed” Background looks great in design/editor but doesn’t work when I publish. How could I fix this?

https://preview.webflow.com/preview/empower-network?utm_medium=preview_link&utm_source=designer&utm_content=empower-network&preview=ff592e52c60d617c57981f3cab71c4b6&locale=en&workflow=preview


Here is my site Read-Only: Webflow - empower network