.ball{pointer-events:none;position:absolute;width:10px;height:10px;border-radius:50%;background:grey;-webkit-animation:implode 1s ease-in-out;animation:implode 1s ease-in-out;-webkit-animation-fill-mode:both;animation-fill-mode:both;opacity:.5}@-webkit-keyframes implode{to{-webkit-transform:scale(0);transform:scale(0)}}@keyframes implode{to{-webkit-transform:scale(0);transform:scale(0)}}