@media screen and (min-color-index:0) 
and(-webkit-min-device-pixel-ratio:0) { @media
{

      #main-content {
        display: none;
      }
      #mobile-warning {
        display: block;
      }
      .header {
        display: block!important;
        opacity: 1!important;
        position: relative!important;
        width: 80%!important;
      }
      .pure-menu-heading,
      .pure-menu-link {
        display: block!important;
        text-decoration: none!important;
        white-space: normal!important;
      }

}}