title: how to add textfield into bootstrap panel with styles
body: <p>I try to create responsive web page using bootstrap. I apply a panel.But when I adding Textfiled Its hasn`t any styles which in my<img src="https://i.stack.imgur.com/0M1oC.jpg" alt="enter image description here"> the sample code.</p>
  
  <p>This is my panel code.</p>
  
  <pre><code>&lt;div class="panel panel-default"&gt;
       &lt;div class="panel-heading"&gt;&lt;i class="icon-bar"&gt;&lt;/i&gt;&lt;b&gt;Order Item&lt;/b&gt;&lt;/div&gt;
            &lt;div class="panel-body"&gt;
  
                &lt;div class = "row"&gt;
                  &lt;div class ="span6" &gt;
                     &lt;label align= "text-center"&gt;First Name&lt;/label&gt;
                     &lt;input type="text" class="span6" align= "text-center" placeholder="Your First Name"&gt;
                     &lt;label align= "text-center"&gt;First Name&lt;/label&gt;
                      &lt;input type="text" class="span6" align= "text-center" placeholder="Your First Name"&gt;
                  &lt;/div&gt;
                 &lt;/div&gt;
               &lt;div class ="row"&gt;
  
                  &lt;h4 class="muted text-center"&gt;Reach Us to best computer system&lt;/h4&gt;
               &lt;/div&gt;
           &lt;/div&gt;
       &lt;/div&gt;
  </code></pre>
  
  <p></p>