Mautic Integration and styling are not working

I am trying to integrate Hustle with my installation of Mautic. It is working with other providers and your plugin does seem to login correctly but it's not pulling in the segments I have setup.

Also, as you will notice on my site the styling for the slide-in is not working correctly.

Finally, I'm wondering if you can have a slide in like this that says "Newsletter Sign-Up" on the same line as the form field and submit buttons so it's only taking up one line at the bottom of the page.