Webmastertoolbag Tryit Editor

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/w3css/4/w3pro.css">
<link rel="stylesheet" href="/lib/w3-theme-amber.css">

<body>

<div class="w3-container w3-theme-l3">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-l2">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-l1">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-d1">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-d2">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-d3">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-d4">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>
<div class="w3-container w3-theme-d5">
  <h1>W3.CSS Pro</h1>
  <p>With W3.CSS you can define your own colors.</p>
</div>