HTML Wie kann ich das Entfernen eines Elments verzögern?

        /* entire container, keeps perspective */
        .flip-container {
            perspective: 100px;
        }
        /* flip the pane when hovered */
        .flip-container:checked .flipper, .flip-container.hover .flipper {
            transform: rotateY(180deg);
        }

        .flip-container, .front, .back {
            width: 100px;
            height: 100px;
        }

        /* flip speed goes here */
        .flipper {
            transition: 0.6s;
            transform-style: preserve-3d;
            position: relative;
        }

        /* hide back of pane during swap */
        .front, .back {
            backface-visibility: hidden;
            position: absolute;
            top: 0;
            left: 0;
        }

        /* front pane, placed above back */
        .front {
            z-index: 2;
            /* for firefox 31 */
            transform: rotateY(0deg);
        }

        /* back, initially hidden pane */
        .back {
            transform: rotateY(180deg);
        }

document.getElementById(clicked_id).classList.toggle("hover"); 

            var div = document.getElementById(clicked_id);
            if (div) {
                div.parentNode.removeChild(div);
            }

.element {
 display: none;
}

document.getElementById(clicked_id).classList.toggle("hover"); 

window.setTimeout(function () { RemoveElement(clicked_id);}, 601);

        function RemoveElement(element_id)
        {
            var div = document.getElementById(element_id);
            if (div) {
                div.parentNode.removeChild(div);
            }
        }