Which button is disabled?

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<html>
<body>
  <label>traditional buttons &nbsp;</label>
  <button type="button" disabled>Click Me!</button>
  <button type="button">Click Me!</button>
​
&nbsp; &nbsp; &nbsp; &nbsp; 
  <label>styled buttons &nbsp;</label>
  <button type="button" class="blue" disabled>Click Me!</button>
  &nbsp; &nbsp;
  <button type="button" class="blue">Click Me!</button>
​
</body>
</html>
    