animator.css

#level {
    text-align: center;
    overflow: visible;
    position: relative;
    display: inline-block;
    margin-top: 55px;
    margin-bottom: 10px;
}

.path {
    position: absolute;
}

.character {
    position: absolute;
    display: block;
    width: 34px;
    height: 34px;
    left: 0;
    bottom: 0;
    background-image: url('images/stand.gif');
    background-repeat: no-repeat;
}

.character.jump {
    background-image: url('images/jump.gif');
}

.character.walk {
    background-image: url('images/walk.gif');
}

.character.headbanging {
    background-image: url('images/headbanging.gif');
}

.character.flip {
    -moz-transform: scaleX(-1);
    -o-transform: scaleX(-1);
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
}

.block {
    display: inline-block;
    margin-top: -1px;
    width: 23px;
    height: 23px;
    margin-left: 4px;
    margin-right: 2px;
    opacity: 0.0;
    float: left;
    box-sizing: border-box;
    border-radius: 1px;
}

.block.bg1 {
    background: url('images/block-bg1.png') repeat 6px 0;
}

.block.bg2 {
    background: url('images/block-bg2.png') repeat 6px 0;
}

.block.bg3 {
    background: url('images/block-bg3.png') repeat 6px 0;
}

.block:last-child {
    margin-right: 0;
}