I just had look into your website. It's looking great!!
You have more space on header section I mean header section is large you can decrease then it looks more great. And you can differentiate the cart page check this image https://snag.gy/dR8iP7.jpg.
Your store and products are looking real awesome!
The only thing is homepage extra space around menu bar, you may like to revise this section and make it something like this. I have to say that picture i have selected as a banner is not a complete match but something like this may add more value to your store. And slightly re-arranging entire menu.