W3Schools 试用编辑器 - W3Schools 中文教程

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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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* {
  box-sizing: border-box;
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.row::after {
  content: "";
  clear: both;
  display: table;
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[class*="col-"] {
  float: left;
  padding: 15px;
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<body>

<div class="header">
  <h1>Chania</h1>
</div>

<div class="row">
  <div class="col-3 menu">
    <ul>
      <li>The Flight</li>
      <li>The City</li>
      <li>The Island</li>
      <li>The Food</li>
    </ul>
  </div>

<div class="col-9">
    <h1>The City</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>Resize the browser window to see how the content respond to the resizing.</p>
  </div>
</div>

</body>
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