You can amend the look and feel of your products and categories in Appearance Settings under Style Choices > Products and Category in Grid (around half way down the page).
You can switch between Options 1 and 2 in the dropdown box like so:
You can also change the way Products are displayed. Option 1 here has the Details and Basket buttons below the thumbnail:
Whereas Option 2 shows them over the thumbnail image when you hover the mouse over the thumbnail:
You can make further changes in Catalogue Settings, such as adding a Qty box alongside Add to Basket, so that the end user can set the Qty in less clicks. To do this you'll need to enable