.content {
...
position: relative;
z-index: 100;
...
}$('.animate').animate({
'opacity': '320'
}, {
step: function (now, fx) {
$(this).css({"transform": "translate3d(0px, " + now + "px, 0px)"});
},
duration: 10000,
easing: 'linear',
queue: false,
complete: function () {
alert('Animation is done');
}
}, 'linear');