.pkp_structure_head:before {
    z-index: -1;
    background: url('../../images/modern_simple.jpg');
    box-shadow: inset -1px 0px 20px 1px rgb(181 181 181 / 75%);
    border: 1px solid #ffffff;
}

.pkp_navigation_user>li a {
    color: black;
}

.pkp_navigation_user>li a:hover {
    color: black;
}