.item.references, .item.author_bios {
    display: none;
}

.obj_issue_toc .sections:not(:first-child) {
    margin-top: 0rem;
}

.obj_issue_toc .section {
    margin-top: 0rem;
    margin-bottom: 0rem;
    padding-bottom: 0rem;
}

.obj_issue_toc {
   padding-bottom: 3rem;
} 

@media (min-width: 992px) {
.pkp_site_name .is_img img {
    max-height: 100px;
}
}