<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>This text is the title of the document</title>
  <style>
    section {
      display: inline-block;
      width: 250px;
      height: 200px;
      background: #CCCCCC;
    }
    aside {
      display: inline-block;
      width: 200px;
      height: 100px;
      background: #DDDDDD;
    }
    </style>
</head>
<body>
  <section>Content 1</section>
  <aside>Content 2</aside>
</body>
</html>