@media (max-width: 850px) {
  #content {
    display: none;
  }
  .region-header {
    flex-direction: column;
    align-content: center;
    padding: 0.5em 3em;
  }
  #header {
    display: block;
    background: url(https://nahc-mapping.org/mappingNY/encyclopedia/sites/default/files/castello_newest.jpg);
    background-size: cover;
    box-shadow: inset 0 0 0 1000px rgb(0 0 0 / 66%);    
  }
  #block-logolinked {
    text-align: center;
  }
  .show-front {
    display: inline;
  }
  .credit-text {
    color: #fff;
    margin: 8px 0;
    line-height: 14px;
  }
  .credit-logos {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
  }
  .support a {
    color: #F4E1B1;
    border-bottom: 1px solid rgba(244, 225, 177, 0.4);
  }
  #block-header2 {
    line-height: 40px;
    margin: 20px 0;
  }
  #block-header2 .meny {
    color: #fff;
    font-family: 'Yeseva One';
    display: block;
  }
  #block-header2 .encyclopedia {
    color: #F4E1B1;
    font-family: 'Work Sans';
  }
  #block-header2 .motto {
    display: block;
    font-family: 'Work Sans';
    color: #fff;
    font-size: 14px;
    line-height: 14px;
    margin-top: 8px;
  }  
  #block-newmapbutton{
    text-align: center;
  }  
  #sidebar-first {
    width: 100%;
  }
  #map, #model-3d, #about {
    position: static;
  }
  #block-bartik-account-menu .menu li a {
    color: #fff !important;
  }
  .region-sidebar-first {
    padding: 1em 10%;
    background: #E2E2E0;
  }
  .sidebar .section {
    padding: 0;
  }
}