* {
   box-sizing: border-box;
}

body {
   background-color: #4b3a26;
   font-family: Verdana, Geneva, sans-serif;
}

header {
   width: 90%;
   max-width: 849px;
   height: 227px;
   margin: auto;
   background-image: url("images/publication2_01.jpg");
   background-size: cover;
   background-repeat: no-repeat;
   color: #bdaf88;
   font-size: 12px;
   word-spacing: 5px;
   position: relative;
}

.desktop_nav {
   position: absolute;
   bottom: 70px;
   right: 60px;
   padding: 4px;
   font-size: 11.78px;
   border-radius: 10% / 20%;
   background: rgba(100, 0, 0, 0.5);
}

.news_dropdown_container {
   position: relative;
   display: inline-block;
}

.news_dropdown_content {
   display: none;
   position: absolute;
   min-width: 160px;
   z-index: 1;
   box-shadow: 5px 5px 5px 0px #bdaf88;
   background-color: #4b3a26;
   padding: 10px;
}

.news_dropdown_container:hover .news_dropdown_content {
   display: block;
}

.mobile_nav {
   display: none;
}

header a {
   color: #bdaf88;
   text-decoration: none;
}

header a:hover {
   color: #FFFFFF;
}

.page_body {
   width: 90%;
   max-width: 849px;
   margin: auto;
   display: table;
}

.body_table {
   display: table-row;
}

.bg_left {
   width: 57px;
   display: table-cell;
   background-image: url('images/contactus_02.gif');
   background-size: cover;
   background-position: top right;
}

.content {
   display: table-cell;
   background-image: url('images/publication/bg.png');
   background-size: cover;
   font-size: 12px;
}

.flex_content {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-between;
   padding: 40px;
}

.item_container {
   position: relative;
   cursor: pointer;
}

.item_container:hover .item_middle {
  opacity: 1;
}

.item_image_1 {
   display: block;
   width: 100px;
   height: auto;
   transition: .2s ease;
}

.item_image_2 {
   display: block;
   width: auto;
   height: 300px;
   transition: .2s ease;
}

.item_middle {
   width: 100%;
   height: 100%;
   top: 50%;
   left: 50%;
   background-color: rgba(0, 0, 0, 0.7);
   transition: .2s ease;
   opacity: 0;
   position: absolute;
   transform: translate(-50%, -50%);
   -ms-transform: translate(-50%, -50%);
   text-align: center;
}

.item_text {
   top: 50%;
   left: 50%;
   position: relative;
   color: white;
   transform: translate(-50%, -50%);
   -ms-transform: translate(-50%, -50%);
   padding: 5px;
}

.bg_right {
   width: 54px;
   display: table-cell;
   background-image: url('images/contactus_04.gif');
   background-size: cover;
   background-position: top left;
}

footer {
   width: 90%;
   max-width: 849px;
   height: 57px;
   margin: auto;
   background-image: url('images/contactus_07.jpg');
   background-repeat: no-repeat;
}

@media only screen and (max-width: 900px) {   
   header {
      width: 100%;
      height: auto;
      padding-top: calc(27%);
      border: 1px solid black;
      background-color: #000000;
      background-size: 100vw;
      background-position: top center;
   }
   
   header b {
      display: inline-block;
   }
   
   .desktop_nav {
      display: none;
   }
   
   .mobile_nav {
      display: block;
      position: relative;
      padding: 14px 14px;
   }
   
   .mobile_nav #mobile_links {
      display: none;
      list-style-type: none;
      line-height: 1.6;
   }
   
   .burger_icon {
      position: absolute;
      right: 14px;
      top: 14px;
   }
   
   .page_body {
      width: 100%;
   }
   
   .bg_left {
      display: none;
   }
   
   .content {
      background-position: center center;
   }
   
   .flex_content {
      flex-direction: column;
   }
   
   .item_container {
      margin-top: 5%;
      margin-bottom: 5%;
   }
   
   .item_middle {
      opacity: 1;
      width: 50%;
      left: 50%;
      transform: translate(-25%, -50%);
      -ms-transform: translate(-25%, -50%);
   }
   
   .item_image_2 {
      width: 100px;
      height: auto;
   }
   
   .bg_right {
      display: none;
   }
   
   footer {
      width: 100%;
      height: 30px;
      margin: 0;
      background-size: auto;
      background-position: center center;
   }
}