App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<title>编程狮(w3cschool.cn)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
<body>
<div class="w3-container">
  <h2>三个相同的列</h2>
  <p>三个等宽列(33.3%/33.3%/33.3%)在所有屏幕尺寸:</p>
</div>
<div class="w3-row">
  <div class="w3-col s4 w3-green w3-center">
    <p>33.3%</p>
  </div>
  <div class="w3-col s4 w3-dark-grey w3-center">
    <p>33.3%</p>
  </div>
  <div class="w3-col s4 w3-red w3-center">
    <p>33.3%</p>
  </div>
</div>
<div class="w3-row w3-container">
  <p>在一个容器:</p>
  <div class="w3-col s4 w3-green w3-center">
    <p>33.3%</p>
  </div>
  <div class="w3-col s4 w3-dark-grey w3-center">
    <p>33.3%</p>
  </div>
  <div class="w3-col s4 w3-red w3-center">
    <p>33.3%</p>
  </div>
</div>
 
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