margin: auto; transition: left 1s; } . #coming-out { display: none; width: 100%; >>>> Upload progress: 100% D.U.C.K. initialized Checking systems... Solutions acquired Database assembled Providing access... DONE Showing user solutions: TRUE <<<< .. f++; } else { var nextImage = image.cloneNode(); comingOut.style.display = 'none'; nextImage.style.display = 'inline'; nextImage.src = files[++f % 5]; nextImage.addEventListener('load', function () { .. <<<< EOF