.pkp_structure_head {
    border: unset;
}

.pkp_structure_main {
    background-color: #fff;
 }

.pkp_structure_page, .pkp_structure_footer_wrapper {
    background-color: #003366;
}

.pkp_structure_main::before, .pkp_structure_main::after {
    width: 0;
}