.centered {
    max-width:calc(100% - 20%);
    margin-left:auto;
    margin-right:auto;
    position:relative;
}

.article-wrapper {
    background-color:#fafafa;    
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    min-height:550px;
}
.article-wrapper .descriptor-section {
    background-color: #fff;
    padding: 0;
    width: 100%;
    border-bottom: 1px solid #dfdfdf;
    height: 105px;
    /*position: fixed;
    top:50px;
    z-index: 999;*/
}
.article-wrapper .category-section {
    background-color:#fafafa;
    padding:10px 0;
}

.article-wrapper .section-content {
    min-width: 1000px;
    padding:20px 30px 17px;
}