howto 在线编辑器 | howto代码测试

<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.cainiaomax.com/w3css/3/w3.css">
<body>

<nav class="w3-bar w3-black">
  <a href="#home" class="w3-button w3-bar-item">首页</a>
  <a href="#band" class="w3-button w3-bar-item">乐队</a>
  <a href="#tour" class="w3-button w3-bar-item">巡回</a>
  <a href="#contact" class="w3-button w3-bar-item">联系方式</a>
</nav>

<section>
  <img class="mySlides" src="img_band_la.jpg"
  style="width:100%">
  <img class="mySlides" src="img_band_ny.jpg"
  style="width:100%">
  <img class="mySlides" src="img_band_chicago.jpg"
  style="width:100%">
</section>

<section class="w3-container w3-center w3-content" style="max-width:600px">
  <h2 class="w3-wide">乐队</h2>
  <p class="w3-opacity"><i>我们热爱音乐</i></p>
</section>

</body>
</html>

报个问题: