title: How to change button image when clicked in HTML
body: <p>How would you make it when a button is clicked the image that the button is made of will change?</p>
  
  <pre><code>   #button {
      text-align:center;
      float:left;
  
      }
  
     #button:focus {
      text-align:center;
      float:left;
      background-image: url('qmb2.png');
  
      }
  
  
     &lt;input type="image" src="qmb.png" name="saveForm" class="btTxt submit" id="button" height="49.5px" padding = "0px" /&gt;
  </code></pre>