<header> <code><header></code> </header> <section> <code><section> <br> float: left;</code> </section> <aside> <code><aside> <br> float: right;</code> </aside> <footer> <code><footer> <br> clear: both;</code> </footer>
code { background: #2db34a; border-radius: 6px; color: #fff; display: block; font: 14px/24px "Source Code Pro", Inconsolata, "Lucida Console", Terminal, "Courier New", Courier; padding: 24px 15px; text-align: center; } header, section, aside, footer { margin: 0 1.5% 24px 1.5%; } section { float: left; width: 63%; } aside { float: right; width: 30%; } footer { clear: both; margin-bottom: 0; }