body {
    background-color: #f0f0f0; 
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#avatar-container {
    position: relative;
  overflow: hidden;
    image-rendering: pixelated; 
	    margin: 0 auto;
}

.sprite-layer {
    position: absolute; 
    pointer-events: none; 
    
    will-change: background-position, left, top, width, height;
}