.sprite.e-barrel{
      width: 72px!important;
      height: 56px;
      background-image : url(idle.png);
      animation: moveX-barrel 4s steps(15) infinite;
      background-position: 50% 0;
    }
@keyframes moveX-barrel{
  from{background-position-x:0px;}
  to{background-position-x:-1200px;}
}
.mirror .sprite.e-barrel{
	bottom:-42px;
}