.pkp_structure_head:before {
    z-index: -1;
    background: url('../../images/tosca_painting.jpg');
    opacity: 0.8;
    box-shadow: inset 8px 3px 20px 1px rgb(218 218 218 / 75%);
    border: 1px solid #ebfaff;
}

.pkp_navigation_user>li a {
    color: black;
}

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