.x-section-header.margin-bottom-none h1:last-child,.x-section-header.margin-bottom-none h2:last-child,.x-section-header.margin-bottom-none h3:last-child,.x-section-header.margin-bottom-none h4:last-child,.x-section-header.margin-bottom-none h5:last-child,.x-section-header.margin-bottom-none h6:last-child{margin-bottom:0}