var dspeed  = 200;

$(document).ready(function () {
  $("#content_menue>ul>li").mouseenter(function() { 
  $(this).find("a.level-2").css({height: '0', 'font-size': '10%', 'opacity': '0'});
  $(this).find("a.level-2").animate({ height: '33px', 'font-size': '100%' ,opacity: '1'}, dspeed );
  });

});