item.js

var cards = $('#card-slider .slider-item').toArray();

startAnim(cards);

function startAnim(array){
    if(array.length >= 4 ) {
        TweenMax.fromTo(array[0], 0.5, {x:0, y: 0, opacity:0.75}, {x:0, y: -120, opacity:0, zIndex: 0, delay:0.03, ease: Cubic.easeInOut, onComplete: sortArray(array)});

        TweenMax.fromTo(array[1], 0.5, {x:79, y: 125, opacity:1, zIndex: 1}, {x:0, y: 0, opacity:0.75, backgroundColor:'#fff',zIndex: 0, boxShadow: '-5px 8px 8px 0 rgba(82,89,129,0.05)', ease: Cubic.easeInOut});

        TweenMax.to(array[2], 0.5, {bezier:[{x:0, y:250}, {x:65, y:200}, {x:79, y:125}], boxShadow: '-5px 8px 16px 0 rgba(0,0,0,0.1)', backgroundColor:'#F1F7EB',zIndex: 1, opacity: 1, ease: Cubic.easeInOut});

        TweenMax.fromTo(array[3], 0.5, {x:0, y:400, opacity: 0, zIndex: 0}, {x:0, y:250, opacity: 0.75, zIndex: 0, ease: Cubic.easeInOut}, );
    } else if(array.length == 1 ) {
        TweenMax.to(array[0], 0.5, {bezier:[{x:0, y:250}, {x:65, y:200}, {x:79, y:125}], boxShadow: '-5px 8px 8px 0 rgba(82,89,129,0.05)',  backgroundColor:'#F1F7EB',zIndex: 1, opacity: 1, ease: Cubic.easeInOut});
    } else if(array.length == 2 ) {
        TweenMax.to(array[0], 0.5, {bezier:[{x:0, y:250}, {x:65, y:200}, {x:79, y:125}], boxShadow: '-5px 8px 8px 0 rgba(82,89,129,0.05)',  backgroundColor:'#F1F7EB',zIndex: 1, opacity: 1, ease: Cubic.easeInOut, onComplete: sortArray(array)});

        TweenMax.fromTo(array[1], 0.5, {x:0, y:400, opacity: 0, zIndex: 0}, {x:0, y:250, opacity: 0.75,  backgroundColor:'#fff',zIndex: 0, ease: Cubic.easeInOut}, ); 

    } else if(array.length == 3 ) {
        TweenMax.fromTo(array[0], 0.5, {x:79, y: 125, opacity:1, zIndex: 1}, {x:0, y: 0, opacity:0.75,  backgroundColor:'#fff',zIndex: 0, boxShadow: '-5px 8px 8px 0 rgba(82,89,129,0.05)', ease: Cubic.easeInOut, onComplete: sortArray(array)});

        TweenMax.to(array[1], 0.5, {bezier:[{x:0, y:250}, {x:65, y:200}, {x:79, y:125}], boxShadow: '-5px 8px 8px 0 rgba(82,89,129,0.05)',  backgroundColor:'#F1F7EB',zIndex: 1, opacity: 1, ease: Cubic.easeInOut});

        TweenMax.fromTo(array[2], 0.5, {x:0, y:400, opacity: 0, zIndex: 0}, {x:0, y:250, opacity: 0.75, zIndex: 0, ease: Cubic.easeInOut}, );

    }
}

function sortArray(array) {
    clearTimeout(delay);
    var delay = setTimeout(function(){
        var firstElem = array.shift();
        array.push(firstElem);
        return startAnim(array); 
    },3000)
}