Anyone Good with Dreamweaver or maybe CSS?

[Touch The Universe]

Have a problem while making a website that the fixed navigation bar and its submenus don't always appear on top of the rest of the content when scrolling as seen here.

https://www.youtube.com/watch?v=GOlSrFN ... e=youtu.be

You can view the css from this page

https://forums.adobe.com/message/8477145#8477145

I'm not too familiar with all this stuff and could use some help. Maybe someone here knows this stuff?

[Touch The Universe]

fixed, the top bar via the nav css needed this

z-index: 999;