I have checked your main color issue. I try to change it and it still works. You can go to Traveler Setting -> Styling Options -> General -> Main Color to set main color. Please check it again.
The search has disappeared from the main bar?
I have fixed it for you. Now, the search has showed from the main bar.
I don’t understand your statistics button issue. Please description more details or send for me your link or images so i can help you better.