.pkp_site_name .is_img img {
    display: block;
    max-height: 180px;
    max-width: 100%;
    width: auto;
    height: auto;
}
.pkp_structure_head {
    background-color: #fff;
    border-bottom: 0px solid #ddd;
}
.pkp_structure_main:before, .pkp_structure_main:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0px;
    background: #ddd;
}
.pkp_navigation_primary {
  	font-size: 16px;
    font-weight: bold;
}