Color Section Height / Mysterious White Bar, & Color mapping

I am struggling with a few items that seem wonky:

1) Color section height – The settings for setting height of color section seem to be not responding, no matter what or how I set them. The brown color bar on home page with hours is still too tall no matter what I do.

2) Mysterious white bar – There is a white bar underneath the menu and above the layer slider on the home page that only disappears after scrolling. I’ve removed all borders from the menu, and there’s no borders/padding on the layer slider, so I’m not sure what else to try to get rid of this. I want the photo to come right up to the menu.

3) Color mapping – Mobile menu – I can’t figure out how to change the colors of the mobile menu. Is there a key to what colors are mapped to which styling settings? Specifically, the hamburger icon comes up as a solid white block. I’d like to change what it shows as, as well as the rollover colors.

4) Color mapping – Mailchimp “Thank you” box – Using the mailchimp integration, when a subscriber subscribes, the “waiting” candy stripes on the button are strange colors, as well as the “Thank you for subscribing!” message is white text on a cream background. I can’t figure out which color styling settings this feature pulls from. Can you please advise where to change this?