$(document).ready(function(){
    
    //When mouse rolls over
    jQuery("li").mouseover(function(){
        jQuery(this).stop().animate({height:'140px'},{queue:false, duration:1000, easing: 'easeOutBounce'})
    });

    //When mouse is removed
    jQuery("li").mouseout(function(){
        jQuery(this).stop().animate({height:'30px'},{queue:false, duration:1000, easing: 'easeOutBounce'})
    });

});