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<!DOCTYPE html>
<html>
<head>
<style>
div.container {
    width: 100%;
    margin: 0px;
    border: 1px solid gray;
    line-height: 150%;
}

div.header, div.footer {
    padding: 0.5em;
    color: white;
    background-color: gray;
    clear: left;
}

h1.header {
    padding: 0;
    margin: 0;
}

div.left {
    float: left;
    width: 160px;
    margin: 0;
    padding: 1em;
}

div.content {
    margin-left: 190px;
    border-left: 1px solid gray;
    padding: 1em;
    overflow: hidden;
}
</style>
</head>
<body>

<div class="container">
  <div class="header"><h1 class="header">W3Schools.com</h1></div>
  <div class="left"><p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p></div>
  <div class="content">
    <h2>Free Web Building Tutorials</h2>
    <p>At W3Schools you will find all the Web-building tutorials you need.</p>
    <p>W3Schools.com - The largest Web Developers' Site on the internet!</p>
  </div>
  <div class="footer">© Copyright by Refsnes Data.</div>
</div>

</body>
</html>