Sure, skin/smart_template/custom/css/common.css
Code:
ul.row_view li .product_block .thumbcol { float: left; width: 135px; /* Image Column Width */ }
ul.row_view li .product_block .thumbcol img { margin: 0 0 10px 0; width: auto; height: auto; /* Thumbnail Size */ }
ul.row_view li .product_block p.desc { margin-top: 0; margin-left: 135px; /* Image Column Width */ }
ul.row_view li .product_block p.details { margin-left: 135px; /* Image Column Width */ }