.demo-viewport .center-page-part .demo-block {
    height: auto !important;
}


.demo-block .center {
    font-family: cursive;
    font-size: 1.3em;
    text-align: center;
    margin: 0 auto 10px;

}

.demo-block img {
    display: block;
    margin-left: auto;
    margin: 0 auto 40px;
}

.demo-block .monster {
    margin: 0 auto;
    width: 100px;
    height: 100px;
    background-image: url("../images/monsterSpriteSheet.png");
    background-position: 0px 50%;
    animation: play .7s steps(7) infinite;
}

@keyframes play {
    to {
        background-position: -700px;
    }
}