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<!DOCTYPE html>
<html>
<head>
<style>
* {
  box-sizing: border-box;
}

body {
  margin: 0;
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.header {
  background-color: #2196F3;
  color: white;
  text-align: center;
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.footer {
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.topmenu {
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.topmenu li {
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.topmenu li a:hover {
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.topmenu li a.active {
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.column {
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.clearfix::after {
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.sidemenu {
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.sidemenu li a.active {
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</style>
</head>
<body>

<ul class="topmenu">
  <li><a href="#home" class="active">Home</a></li>
  <li><a href="#news">News</a></li>
  <li><a href="#contact">Contact</a></li>
  <li><a href="#about">About</a></li>
</ul>

<div class="clearfix">
  <div class="column sidemenu">
    <ul>
      <li><a href="#flight">The Flight</a></li>
      <li><a href="#city" class="active">The City</a></li>
      <li><a href="#island">The Island</a></li>
      <li><a href="#food">The Food</a></li>
      <li><a href="#people">The People</a></li>
      <li><a href="#history">The History</a></li>
      <li><a href="#oceans">The Oceans</a></li>
    </ul>
  </div>

<div class="column content">
    <div class="header">
      <h1>The City</h1>
    </div>
    <h1>Chania</h1>
    <p>Chania is the capital of the Chania region on the island of Crete. The city can be divided in two parts, the old town and the modern city.</p>
    <p>You will learn more about responsive web pages in a later chapter.</p>
  </div>
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<div class="footer">
  <p>Footer Text</p>
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</body>
</html>

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<!DOCTYPE html><html><head><style>* {  box-sizing: border-box;}​body {  margin: 0;}​.header {  background-color: #2196F3;  color: white;  text-align: center;  padding: 15px;}​.footer {  background-color: #444;  color: white;  padding: 15px;}​.topmenu {  list-style-type: none;  margin: 0;  padding: 0;  overflow: hidden;  background-color: #777;}​.topmenu li {  float: left;}​.topmenu li a {  display: inline-block;  color: white;  text-align: center;  padding: 16px;  text-decoration: none;}​