title: Html element alignment issue
body: <p>I have created header in the top of page as give below. But why it keeps space from top page border even though I have kept margin 0?</p>
  
  <p><a href="http://jsfiddle.net/karimkhan/Uwucd/" rel="nofollow">FIDDLE LINK</a></p>
  
  <pre><code>&lt;body&gt;&lt;div class="page-header header" style="color:fff; font-size: large; font-family: Arial;
  "&gt;
              &lt;h1 class="page-header-text"&gt;Review Networks&lt;/h1&gt;
          &lt;/div&gt;
  </code></pre>