img.vacation {
    width: 250px;
    position: absolute;
    right: 0;
    bottom: -10px;
}
img.vacation  {
    -webkit-animation-name: slideOutLeft;
    animation-name: slideOutLeft;
    -webkit-animation-duration: 10s;
    animation-duration: 10s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}
    @-webkit-keyframes slideOutLeft{
        0% {
            -webkit-transform: translateX(0);
            transform: translateX(0);
        }
        100% {
            visibility: hidden;
            -webkit-transform: translateX(-700px,-0%);
            transform:translate(-700px,-0%);
        }
    }
    @keyframes slideOutLeft {
        0% {
            -webkit-transform: translateX(0);
            transform: translateX(0);
        }
        100% {
            visibility: hidden;
            -webkit-transform: translate(-700px,-0%);
            transform:translate(-700px,-0%);
        }
    }