.pkp_structure_content,
.pkp_structure_main {
    width: 97% !important;
    max-width: 97% !important;
}

.pkp_structure_main::before,
.pkp_structure_main::after,
.pkp_structure_sidebar::before,
.pkp_structure_sidebar::after {
    display: none !important;
    border: none !important;
    box-shadow: none !important;
}

.page_index_journal .homepage_about h2 {
    display: none;
}