.pkp_site_name_wrapper {
  padding: 30px;
  background: url(https://periodicos.ufpb.br/public/site/images/lsardeiro/problemata.png) white no-repeat content-box;
  background-size: contain;
  height: 180px;
}

#headerNavigationContainer > div > div > h1 > a {
  color: transparent;
}

#navigationPrimary ul  a:hover {
  background: darkred;
}

.pkp_head_wrapper {
  background: white;
}

#navigationPrimary a {
  color: white;
}

#navigationPrimary a:hover, #navigationPrimary a:focus {
  color: antiquewhite;
  background: darkred;
}

.pkp_navigation_primary_row {
  background: darkblue;
}

.pkp_head_wrapper .pkp_search .search_controls .search_prompt {
  color: white;
}

.pkp_head_wrapper .pkp_search .search_controls .search_prompt:hover,
.pkp_head_wrapper .pkp_search .search_controls .search_prompt:focus {
  color: antiquewhite;
}

.pkp_head_wrapper .pkp_search button {
  color: white;
}

.obj_issue_toc .cover img {
  margin-left: unset;
  margin-right: auto;
  max-height: unset;
  width: 75%;
  height: auto;
  border: 1px solid black;
}