body {
    margin: 0;
    background: #000;
}

#bitman {
    width: 128px;
    height: 128px;
    margin: auto;
    background: url("/content/907e75a0aa60b6e81265ffb9178c80b95ae3903e34478741056d16ba92315bc2i0") repeat-x;
    position: relative;
    bottom: 34px;
    animation: walk .9s steps(3) infinite;
}

@keyframes walk {
    0% {
        background-position: 0
    }
    100% {
        background-position: -384px
    }
}