title: Black background in iphone with safari
body: <p>I get a partial black screen if I browse <a href="http://www.lazzarotto.it/" rel="nofollow">this page</a> with safari on an iphone, here a screenshot of the error:</p>
  
  <p><a href="http://i.stack.imgur.com/3xHiQ.png" rel="nofollow">screen</a></p>
  
  <p>any idea? could it be because an issue of the background image?</p>