All info and buy option on product listing page?

Hi!

I'm a new user of Zen Cart, and am trying to set up my first site for a small business.

The products they sell are common and therefore I would like to allow them all to be purchaseable directly from the Product Listing pages for each category, as opposed.

For this reason, I've got two questions:

Is it possible/how can I disable the individual product information pages when the names are clicked?

How can I edit the layout to have an individual Add to Cart icon for each product and the quantity input box next to as opposed to below the price? If I could be pointed in the direction of the CSS file (if its set by CSS) then I have a limited knowledge which I think may be enough :)

Attached is a basic idea of each product listing which I am trying to achieve.

Thanks!

Do any of the products sold have color or size variations?

The options are food dishes, so there may be some places where a selection is required...i.e.

Lamb Tikka
Chicken Tikka

I've managed to move the price, quantity and Add to Cart buttons onto one line, but now can't change the add to cart button :(