HTML + CSS: A flipbook-like animation with CSS3

gistfile1

<div class="flipbook">
	<div class="page left leftpage">
		<div class="pagewrap">
			<div class="page_content">
					Dies ist die erste Seite des flipbooks
			</div>
		</div>
	</div>
	<div class="page center">
		<div class="innerpage rightpage inner_right">
			<div class="pagewrap">
				<div class="page_content">
					Dies ist die erste Seite des flipbooks
				</div>
			</div>
		</div>
		<div class="innerpage leftpage inner_left">
			<div class="pagewrap">
				<div class="page_content">
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					a sdfasdf asdf asdfasdf asdfk ahskdfhajshdfaksdfhaksdhfsakdfas
				</div>
			</div>
		</div>
	</div>
	<div class="page right rightpage">
		<div class="pagewrap">
			<div class="page_content">
					asjk dfhajk sdhfkjas hdkfjh sakjdfhjk shadfkjah skjdfh aksjdfh akjsdhfkj ashdfkja hsdfkjh asd
					a sdfasdf asdf asdfasdf asdfk ahskdfhajshdfaksdfhaksdhfsakdfas
			</div>
		</div>
	</div>
</div>




.flipbook {
	width: 300px;
	height: 100px;
	background: red;
	position: relative;
    -moz-perspective: 1100px;
    -moz-perspective-origin: 50% 50%;
    -webkit-perspective: 1100px;
    -webkit-perspective-origin: 50% 50%;
}

.flipbook .page {
	position: absolute;
	width: 50%;
	height: 100%;
}

.flipbook .pagewrap {
	position: absolute;
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.flipbook .innerpage {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	-moz-backface-visibility: hidden;
	-webkit-backface-visibility: hidden;
}

.flipbook .innerpage.inner_right {
	background: blue;
}

.flipbook .innerpage.inner_left {
	background: green;
    -moz-transform: rotateY(180deg);
    -webkit-transform: rotateY(180deg);
}

.flipbook .page .page_content {
	width: 200%;
	height: 100%;
	position: relative;
}

.flipbook .left {
	left: 0;
	z-index: 1;
}

.flipbook .right {
	right: 0;
	z-index: 1;
	background: yellow;
}

.flipbook .center {
	right: 0;
	z-index: 2;
}

.flipbook .center.flipped {
    -moz-transform: rotateY(-180deg);
    -moz-transform-origin: left center;
    -moz-transform-style: preserve-3d;
    -moz-transition-duration: 1500ms;
    -moz-transition-property: -moz-transform;
    -moz-transition-timing-function: ease;

    -webkit-transform: rotateY(-180deg);
    -webkit-transform-origin: left center;
    -webkit-transform-style: preserve-3d;
    -webkit-transition-duration: 1500ms;
    -webkit-transition-property: -webkit-transform;
    -webkit-transition-timing-function: ease;
}


.flipbook .rightpage .page_content {
	left: -100%;
}

Please add the demo site using this code.

not working with me

not working