.add_cart {
    width: 310px;
    float: right;
}
.product_images {
    width: 300px;
    float: left;
}
table[border="1"] { border:1px solid #000 !important; }
table[border="1"] td { border:1px solid #000 !important; }

#desc2 table { border-top: 1px solid #999; }
#desc2 table td { border-bottom: 1px solid #999; padding:3px; }
#desc2 table td:nth-child(2), #desc2 table td:nth-child(3) { border-right: 1px solid #999; }