.xf-controller {
    z-index: 100;
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-animation: bounce-down 2.0s linear infinite;
    animation: bounce-down 2.0s linear infinite;
}
/*.xf-container img {*/
/*    position: absolute;*/
/*}*/
@-webkit-keyframes bounce-down {
    25% {
        -webkit-transform: translateY(-10px);
    }
    50%,
    100% {
        -webkit-transform: translateY(0);
    }
    75% {
        -webkit-transform: translateY(10px);
    }
}

@keyframes bounce-down {
    25% {
        transform: translateY(-10px);
    }
    50%,
    100% {
        transform: translateY(0);
    }
    75% {
        transform: translateY(10px);
    }
}