title: Aligning the button in a grid to center
body: <p>I have the code below</p>
  
  <pre><code>&lt;li class="ui-body ui-body-b"&gt;
                  &lt;fieldset class="ui-grid-a"&gt;
                          &lt;div class="ui-grid-solo"&gt;&lt;button id="btn1" type="submit"  &gt;Submit&lt;/button&gt;&lt;/div&gt;
                  &lt;/fieldset&gt;
              &lt;/li&gt;
  </code></pre>
  
  <p>if i am using this the button is not center..
   how place it in center</p>