gistfile1.html

<style>
  .designers .container {
    position: fixed;
    width: 100%;
  }
</style>

<div class="designers">
  <a>designers</a>
  <div class="container">
    <!-- stuff goes here -->
  </div>
</div>

<script>
  $('.designers').hover(function(){
    var t = $(this), c = t.find('.container');
    c.css({
      top: t.offset().bottom
    }).stop().slideDown();
  }, function(){
    var t = $(this), c = t.find('.container');
    c.stop().slideUp();
  });
</script>