.greeting {
    background: none;
    height: 0px;
    left: 0;
    position: absolute;
    top: 40px;
    width: 100%;
    z-index: 3;
    text-align: left;
}

@-webkit-keyframes santaFly {
    0% {
        opacity: 1;
        -webkit-transform: translate(-200px, 0px) rotateZ(3deg);
    }

    50% {
        opacity: 1;
        -webkit-transform: translate(1000px, 0px) rotateZ(3deg);
    }

    100% {
        opacity: 1;
        -webkit-transform: translate(2000px, 0px) rotateZ(3deg);
    }
}

@-moz-keyframes santaFly {
    0% {
        opacity: 1;
        -webkit-transform: translate(-200px, 0px) rotateZ(3deg);
    }

    50% {
        opacity: 1;
        -webkit-transform: translate(1000px, 0px) rotateZ(3deg);
    }

    100% {
        opacity: 1;
        -webkit-transform: translate(2000px, 0px) rotateZ(3deg);
    }
}

.greeting span {
    display: inline-block;
    width: 210px;
    height: 70px;
    background-size: contain;
    opacity: 0;
    -webkit-animation: santaFly 15s 1 linear 3s;
    -moz-animation: santaFly 15s 1 linear 3s;
    margin-top: 0px;
}