Header cuts off anything thats on top of my page

So i have it where i have a product and when i see the product page, the header cuts off the top of it.
here is the website : http://findore.com/product/basic-membership/
it does that to a lot of my pages but i put a spacer so its cutting the spacer instead of whatever header i have on top.
I heop you can help me solve my problem