.list thead td { font-weight: bold; }
.list .asc {
    padding-right: 15px;
    background: url('../../../../../../catalog/view/theme/nvs/image/asc.png') right center no-repeat;
}
.list .desc {
    padding-right: 15px;
    background: url('../../../../../../catalog/view/theme/nvs/image/desc.png') right center no-repeat;
}