Isotope Filter Help

Anyone worked with Isotope filtering before? I’m working on a project right now and running into a few problems.

#1: The “Pay per Move in” button does not pull the relative data (FAQs). It’s the only one that does not work yet it has the same code setting as the others.

#2: I can’t seem to find where/how to style the CSS of the button. In this case I just want to change the color of the active button.

Here is the live link:

Here is the read-only link:

Here is the project I had originally cloned before changing the styling and updated CMS content: