Hi, iam trying to Get Rid Of the Border Around "Add to cart" button
( Please see attached picture )

I went to my includes/templates/mytemplate/css/stylesheet.css

I changed:
input,fieldset {
border-color: #999999;
}

To:

I changed:
input,fieldset {
border-color: #ffffff;
}

The border disappeared "Add to cart" buton, but the border around the "Quantity box" also disappeared ( Please see attached picture )

So i was wondering how i could get rid of the border around the "Add to cart" buton, but keep the border around the "Quantity box"

Heres a link to my site http://l u s h accessories.co.uk/index.php?main_page=index&cPath=1

(WITHOUT THE SPACES )

Hope somebody can help.
Thanks in advance