title: How can I put a div in the foreground with css?
body: <p>I have implemented the following website: <a href="http://cihadkirhan.com/mytrans/index.php" rel="nofollow">link</a></p>
  
  <p>There are two textfields in the header part of the website. If you click on a textfield, a calender pops up. My problem is that the calender is not shown on the foreground although I set the css properties <code>position: absolute;</code> and <code>z-index: 999;</code>. What is the problem and how can I solve it?</p>