.card-primary {

    -webkit-animation: card-primary 8s both;
    animation: card-primary 8s both;
}


@-webkit-keyframes card-primary {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes card-primary {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}