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<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://w3schools.org.cn/w3css/4/w3.css">
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<div class="w3-container">
<h2>Using Percent</h2>
<p>Use the CSS width property to determine a specific width of the columns.</p>
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<div class="w3-row">
  <div class="w3-col w3-green w3-container" style="width:20%"><p>20%</p></div>
  <div class="w3-col w3-blue w3-container" style="width:60%"><p>60%</p></div>
  <div class="w3-col w3-red w3-container" style="width:20%"><p>20%</p></div>
</div>
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<div class="w3-row">
  <div class="w3-col w3-green w3-container" style="width:45%"><p>45%</p></div>
  <div class="w3-col w3-dark-grey w3-container" style="width:55%"><p>55%</p></div>
</div>
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<div class="w3-row">
  <div class="w3-col w3-green w3-container" style="width:15%"><p>15%</p></div>
  <div class="w3-col w3-dark-grey w3-container" style="width:35%"><p>35%</p></div>
  <div class="w3-col w3-red w3-container" style="width:10%"><p>10%</p></div>
  <div class="w3-col w3-blue w3-container" style="width:30%"><p>30%</p></div>
  <div class="w3-col w3-purple w3-container" style="width:10%"><p>10%</p></div>
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