by changing the padding look better, but still not good, you can help to detect the string to edit css??
.hikashop_checkout_cart table .row0:hover, .hikashop_checkout_cart table .row1:hover{background-color:#f8f8f8}
.hikashop_checkout_cart table{border-collapse:collapse}
.hikashop_checkout_cart td{padding:10px}
.hikashop_checkout_cart thead tr{font-weight:bold; font-size:12px; color:#555555}
.hikashop_checkout_cart thead th{border-bottom:1px solid #ddd; padding: 5px 10px;}
.hikashop_checkout_cart tfoot td{padding:5px 10px 5px 5px; text-align:right}
.hikashop_checkout_cart hr{background-color:#ddd}