w3css 在线编辑器 | w3css代码测试

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.cainiaomax.com/w3css/4/w3.css">
<body>

<div class="w3-container">
  <h3>w3-row 和 w3-row-padding 之间的区别</h3>
  <p>w3-row 类定义了一个无填充容器：</p>
</div>

<div class="w3-row">
    <div class="w3-col s4">
      <img src="img_lights.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_nature.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_snowtops.jpg" style="width:100%">
    </div>
  </div>

<div class="w3-container">
  <p>w3-row-padding 类为每列添加 8px 的左右填充：</p>
</div>

<div class="w3-row-padding">
    <div class="w3-col s4">
      <img src="img_lights.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_nature.jpg" style="width:100%">
    </div>
    <div class="w3-col s4">
      <img src="img_snowtops.jpg" style="width:100%">
    </div>
  </div>

</body>
</html>