Move position of Checkout button in Fancybox and change width

I believe I have looked everywhere for the files to make the changes to move the Checkout button in the fancybox and to be able to change the dimensions so that you don’t have to scroll down to select the attributes. But so far no luck. Using Elegant Themes Boutique:

https://edwardseclectics.com/products-page/charlevoix-sportswear/charlevoix-t-shirt-duplicate/

Trying to move the Checkout button to the right corner of the box. Also on the single product page the Checkout button is all the way down at the bottom of the page. I need to have that hidden, not shown on this page.