To edit the product detail page. Please try to open there files:
– app/design/frontend/default/ves_fashion/template/common/view/default.phtml
– app/design/frontend/default/ves_fashion/template/common/view/default/media.phtml
To custom add to cart, wishlist, compare. Please try to find in there files:
– app/design/frontend/default/ves_fashion/template/catalog/product/view/addto.phtml
– app/design/frontend/default/ves_fashion/template/catalog/product/view/addtocart.phtml
To change style for it, you can use option “Custom Css”