.main-navigation .main-nav ul li#menu-item-328 a {
      background-color: red;
}
.main-navigation .main-nav ul li#menu-item-353 a {
      background-color: red;
}
.main-navigation .main-nav ul li#menu-item-168 a {
      background-image: url("http://fiducis.lu/wp-content/uploads/2016/01/Flag_of_Germany_3-2_aspect_ratio.svg-1.png");
}
.page-id-255 h1.entry-title {
      text-align: center;
}
.page-id-258 h1.entry-title {
      text-align: center;
}
.page-id-236 .entry-content {
      margin: 0;
}
.box {
color:#000000;
width:auto;
padding:15px;
border:1px solid #000000;
}
.main-navigation .site-logo {
    float: left;
    line-height: 10px; /* Adjust this to your menu item height */
    margin-right: 1em;
}