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">
<h2>导航栏尺寸</h2>
<p>使用 width 属性自定义列表项的宽度（注意：在较小的屏幕上，它们将转换为 100%）：</p>

<p>Default with two items:</p>
<div class="w3-bar w3-border w3-light-grey">
  <a href="#" class="w3-bar-item w3-button w3-mobile w3-green">链接 1</a>
  <a href="#" class="w3-bar-item w3-button w3-mobile">链接 2</a>
</div>

<p>Two items, customized:</p>
<div class="w3-bar w3-border w3-light-grey">
  <a href="#" style="width:50%" class="w3-bar-item w3-button w3-mobile w3-green">链接 1</a>
  <a href="#" style="width:50%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
</div>

<p>Two items <strong>centered:</strong></p>
<div class="w3-bar w3-border w3-light-grey w3-center">
  <a href="#" style="width:50%" class="w3-bar-item w3-button w3-mobile w3-green">链接 1</a>
  <a href="#" style="width:50%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
</div>

<p>Three items:</p>
<div class="w3-bar w3-border w3-light-grey">
  <a href="#" style="width:33.33%" class="w3-bar-item w3-button w3-mobile w3-green">链接 1</a>
  <a href="#" style="width:33.33%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
  <a href="#" style="width:33.33%" class="w3-bar-item w3-button w3-mobile">链接 3</a>
</div>

<p>Three items <strong>centered:</strong></p>
<div class="w3-bar w3-border w3-light-grey w3-center">
  <a href="#" style="width:33.33%" class="w3-bar-item w3-button w3-mobile">链接 1</a>
  <a href="#" style="width:33.33%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
  <a href="#" style="width:33.33%" class="w3-bar-item w3-button w3-mobile">链接 3</a>
</div>

<p>Four items:</p>
<div class="w3-bar w3-border w3-light-grey w3-center">
  <a href="#" style="width:25%" class="w3-bar-item w3-button w3-mobile">链接 1</a>
  <a href="#" style="width:25%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
  <a href="#" style="width:25%" class="w3-bar-item w3-button w3-mobile">链接 3</a>
  <a href="#" style="width:25%" class="w3-bar-item w3-button w3-mobile">链接 4</a>
</div>

<p>Five items:</p>
<div class="w3-bar w3-border w3-light-grey w3-center">
  <a href="#" style="width:20%" class="w3-bar-item w3-button w3-mobile">链接 1</a>
  <a href="#" style="width:20%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
  <a href="#" style="width:20%" class="w3-bar-item w3-button w3-mobile">链接 3</a>
  <a href="#" style="width:20%" class="w3-bar-item w3-button w3-mobile">链接 4</a>
  <a href="#" style="width:20%" class="w3-bar-item w3-button w3-mobile">链接 5</a>
</div>

<p>Six items:</p>
<div class="w3-bar w3-border w3-light-grey w3-center">
  <a href="#" style="width:16.66%" class="w3-bar-item w3-button w3-mobile">链接 1</a>
  <a href="#" style="width:16.66%" class="w3-bar-item w3-button w3-mobile">链接 2</a>
  <a href="#" style="width:16.66%" class="w3-bar-item w3-button w3-mobile">链接 3</a>
  <a href="#" style="width:16.66%" class="w3-bar-item w3-button w3-mobile">链接 4</a>
  <a href="#" style="width:16.66%" class="w3-bar-item w3-button w3-mobile">链接 5</a>
  <a href="#" style="width:16.66%" class="w3-bar-item w3-button w3-mobile">链接 6</a>
</div>

<p>Other examples:</p>
<div class="w3-bar w3-border w3-light-grey w3-center">
  <a href="#" style="width:50%" class="w3-bar-item w3-button w3-mobile">链接</a>
  <a href="#" style="width:12.5%" class="w3-bar-item w3-button w3-mobile">链接</a>
  <a href="#" style="width:12.5%" class="w3-bar-item w3-button w3-mobile">链接</a>
  <a href="#" style="width:12.5%" class="w3-bar-item w3-button w3-mobile">链接</a>
  <a href="#" style="width:12.5%" class="w3-bar-item w3-button w3-mobile">链接</a>
</div>
<br>

</body>
</html>

报个问题: