Oh snap! You got an error!<span class="nt">&lt;/h4&gt;</span>
  <span class="nt">&lt;p&gt;</span>Change this and that and try again. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Cras mattis consectetur purus sit amet fermentum.<span class="nt">&lt;/p&gt;</span>
  <span class="nt">&lt;p&gt;</span>
    <span class="nt">&lt;button</span> <span class="na">type=</span><span class="s">"button"</span> <span class="na">class=</span><span class="s">"btn btn-danger"