$(document).ready(function() {
    $('.callout a').mouseenter(function(){
    	var x = ($('.details',this).height())+25;
      	$('.details',this).animate({marginTop: -x },{queue:false,duration:500});
	}).mouseleave(function(){
      	$('.details',this).animate({marginTop:'-46px'},{queue:false,duration:500});
    });  
});