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                            /CSS3
                        
                        /CSS3 3D 特效

為什么我的代碼沒(méi)任何效果，能翻頁(yè)但沒(méi)有3D效果

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>3D</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">


<style>
??? .pagegroup{
??????? width: 100%;
??????? -webkit-perspective:800;
??????? /* -moz-perspective:800; */
??????? perspective:800;
??????? -webkit-perspective-origin:center center;
??????? -moz-perspective-origin:center center;
??????? perspective-origin:center center;

??????? overflow: hidden;
??? }
??? .pagegroup{
??????? width: 400px;
??????? height: 450px;
??????? margin:50px auto;
??????? -webkit-transform-style:preserve-3d;
??????? -moz-transform-style:preserve-3d;
??????? transform-style:preserve-3d;

??????? position: relative;
??? }
??? .page{
??????? width: 400px;
??????? height: 450px;
??????? margin:50px auto;
??????? background-color: #000;
??????? color: #fff;
??????? font-size: 360px;
??????? font-weight: bold;
??????? text-align: center;
??????? line-height: 450px;
??????? position: absolute;
??????? -webkit-transform-origin:bottom;
??????? -moz-transform-origin:bottom;
??????? transform-origin:bottom;
??????? -webkit-transition:-webkit-transform 1.5s linear;
??????? -moz-transition:-moz-transform 1.5s linear;
??????? transition:-moz-transform 1.5s linear;
??? }
?? ?
??? #page1,#page2,#page3,#page4,#page5,#page6{

??????? -webkit-transform:rotateX(90deg);
??????? -moz-transform:rotateX(90deg);
??????? transform:rotateX(90deg);
??????? z-index: 1;
??? }
??? #page0{

??????? -webkit-transform:-webkit-rotateX(0deg);
??????? -moz-transform:-moz-rotateX(0deg);
??????? transform:-moz-rotateX(0deg);
??????? z-index: 0;
??? }
??? .turning{
??????? width: 400px;
??????? margin:0 auto;
??? }
??? .turning span{
??????? width: 400px;
??????? margin:0 auto;
??????? cursor: pointer;
??? }
</style>
</head>
<body>
??? <div class="wrap">
??????? <div class="pagegroup">
??????????? <div class="page" id="page0">1</div>
??????????? <div class="page" id="page1">2</div>
??????????? <div class="page" id="page2">3</div>
??????????? <div class="page" id="page3">4</div>
??????????? <div class="page" id="page4">5</div>
??????????? <div class="page" id="page5">6</div>
??????????? <div class="page" id="page6">7</div>
??????? </div>
??? </div>
??? <div class="turning">
??????? <span id="pre">上一頁(yè)</span>
??????? <span id="next">下一頁(yè)</span>
??? </div>
<script>
??? var pre=document.getElementById('pre');
??? var next=document.getElementById('next');
??? var currentnum=0;

??? next.onclick=function(){
??????? if(currentnum==6)
??????????? return;
??????? var currentpage=document.getElementById("page"+currentnum);
??????? currentpage.style.webkitTransform="rotateX(-90deg)";
??????? currentnum++;
??????? var nextpage=document.getElementById("page"+currentnum);
??????? nextpage.style.webkitTransform="rotateX(0deg)";
??? };

??? pre.onclick=function(){
??????? if(currentnum==0)
??????????? return;
??????? var currentpage=document.getElementById("page"+currentnum);
??????? currentpage.style.webkitTransform="rotate(90deg)";
??????? currentnum--;
??????? var prepage=document.getElementById("page"+currentnum);
??????? prepage.style.webkitTransform="rotateX(0deg)";
??? }
</script>
</body>
</html>