body, html {
    margin: 0;
    padding: 0;
}

#overlay {
    position: absolute;
    top: 2px;
    left: 2px;
    color: #fff;
    background: #000;
    opacity: 0.7;
    z-index: 10;
    text-align: center;
    padding: 5px;
    margin: 5px;
    font-family: sans-serif;
    font-size: 11px;
}

#level {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    background-image: url('../img/brick-floor-light.png');
}

#me {
    position: relative;
    display: inline-block;
    top: 100px;
    left: 100px;
    width: 10px;
    height: 10px;
    background-image: url(../img/me-down-move.png);
    background-repeat: no-repeat;
    background-size: 70px 80px;
    background-position: 8px 0;
}

#me.down {
    background-image: url(../img/me-down-move.png);
}

#me.up {
    background-image: url(../img/me-up-move.png);
}

#me.left {
    background-image: url(../img/me-left-move.png);
}

#me.right {
    background-image: url(../img/me-right-move.png);
}