Streaming live at 10am (PST)

Change size and color of navbar on scroll

For the life of me I have been unable to replicate the navbar listed here:

I get a weird grey transition from blue to white. Is there a better way to do this?

Also, is it possible to move the nav bar within the hero section, so that I can add a hero background image with the nav bar being transparent?

Here is my public share link: