article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; } div.container { width: 100%; border: none; } nav { float: left; max-width: 160px; margin: 0; padding: 1em; } article { margin-left: 170px; border-left: 1px solid black; padding: 1em; overflow: hidden; } .wrcHeader{ position: relative; } h1 { background-color: #CF5300; .flex-container { display: -webkit-flex; display: flex; -webkit-flex-flow: row wrap; flex-flow: row wrap; text-align: center; } .flex-container > * { padding: 15px; -webkit-flex: 1 100%; flex: 1 100%; } .article { text-align: left; } header, footer { padding: 1em; background-color: #CF5300; clear: left; text-align: center; } body { font-family: arial; } .container { width: 989px; margin: 0 auto; } .footer { text-align: center; }