body {
	margin: 0;
	background: #222;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100vh;
  }
  
  .book-container {
	text-align: center;
  }
  
  .book {
	width: 500px;
	height: 700px;
	position: relative;
	perspective: 2000px;
	margin: auto;
  }
  
  .page {
	width: 100%;
	height: 100%;
	background: #fff;
	position: absolute;
	top: 0;
	left: 0;
	transform-origin: left;
	transition: transform 1s ease;
	backface-visibility: hidden;
  }
  
  .page img {
	width: 100%;
	height: 100%;
	object-fit: cover;
  }
  
  .page.flipped {
	transform: rotateY(-180deg);
	z-index: 0 !important;
  }
  
  .buttons {
	margin-top: 20px;
  }
  
  button {
	background: #444;
	color: white;
	border: none;
	padding: 10px 20px;
	font-size: 18px;
	margin: 0 10px;
	cursor: pointer;
	border-radius: 8px;
	transition: background 0.3s;
  }
  
  button:hover {
	background: #666;
  }