#divPoGame img {
    display: block;
    margin: 0 auto;
    max-width: 300px;
}

#modalPoGame {
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

    #modalPoGame .divPrize {
        width: 100%;
        text-align: center;
        position: absolute;
        top: 50%;
        font-size: 70px;
    }

.lefttoright {
    bottom: 15%;
    position: absolute;
    -webkit-animation: linear infinite;
    -webkit-animation-name: runltr;
    -webkit-animation-duration: 15s;
}

@-webkit-keyframes runltr {
    0% {
        left: 5%;
    }

    50% {
        left: 90%;
    }

    100% {
        left: 5%;
    }
}


.uptodown {
    bottom: 15%;
    position: absolute;
    -webkit-animation: linear infinite;
    -webkit-animation-name: runutd;
    -webkit-animation-duration: 17s;
}

@-webkit-keyframes runutd {
    0% {
        top: 10%;
    }

    50% {
        top: 80%;
    }

    100% {
        top: 10%;
    }
}