.sprite {
    width: 320px;
    height: 640px;
    background-image: none;
    background-repeat: no-repeat;
    image-rendering: auto;
    align-self: flex-end;
    will-change: background-position;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.sprite.debug {
  outline: 1px dashed rgba(255, 255, 255, 0.3);
}

.sprite_container{
    position: relative;
    left: 0;
    top: -0;
}