z-index ie6下的解决方案


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  3.     <head>  
  4.         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
  5.         <meta name="author" content="Chomo" />  
  6.         <link rel="start" href="http://www.14px.com" title="Home" />  
  7.         <title>法则五:非同辈元素,任意一者或其祖元素拥有动态定位时,同时各自向上寻找动态定位的祖元素,并分别从中拿出具备最高级别的祖元素(或其本身)进行比较。</title>  
  8.     </head>  
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  10.         div { font:12px/1.5 arial;}   
  11.         div strong { color:#fff; background:#036; display:inline-block;}   
  12.         h3 strong { color:#f00;}   
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  14.         .div1,   
  15.         .div2 {   
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  17.             width:150px;   
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  22.         .grandDiv2 {   
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  37.             margin-top:-50px;   
  38.             margin-left:95px;   
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  41.             margin-top:-40px;   
  42.             margin-left:85px;   
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  44.         .div2 {   
  45.             margin-top:-20px;   
  46.             margin-left:75px;   
  47.             padding-top:30px;   
  48.             height:40px;   
  49.         }   
  50.         .grandDiv2 .parentDiv2,   
  51.         .grandDiv2 .div2,   
  52.         .parentDiv2 .div2 { margin:0;}   
  53.     </style>  
  54.     <body>  
  55.         <h3>法则五<strong>(重要)</strong>:非同辈元素,任意一者或其祖元素拥有动态定位时,同时各自向上寻找动态定位的祖元素至共有的祖元素的下一级为止,并分别从中拿出具备最高级别的祖元素(或其本身)进行比较。</h3>  
  56.         <p>情况1:子元素的z-index无论多大,父元素大者居上。<p>  
  57.             <div class="parentDiv1" style="position:relative; z-index:2;">  
  58.                 .parentDiv1{position:relative;<strong>z-index:2</strong>}   
  59.                 <div class="div1">.div1{position:static}</div>  
  60.             </div>  
  61.             <div class="parentDiv2" style="position:relative; z-index:1;">  
  62.                 <div class="div2" style="position:relative; z-index:10000;">.div2{position:relative;<strong>z-index:10000</strong>}</div>  
  63.                 .parentDiv2{position:relative;<strong>z-index:1</strong>}   
  64.             </div>  
  65.         <p>情况2:父元素居下,子元素也可以居上。<p>  
  66.         <div class="parentDiv1">  
  67.             .parentDiv1{position:staitc}   
  68.             <div class="div1" style="position:relative;">.div1{position:relative}</div>  
  69.         </div>  
  70.         <div class="parentDiv2">  
  71.             <div class="div2">.div2{position:staitc}</div>  
  72.             .parentDiv2{position:staitc}   
  73.         </div>  
  74.         <p>情况1、情况2结合扩展比较。<p>  
  75.         <div class="grandDiv1" style="position:relative; z-index:3;">  
  76.             .grandDiv1{position:relative;<strong>z-index:3</strong>}   
  77.             <div class="parentDiv1">  
  78.                 .parentDiv1{position:staitc}   
  79.                 <div class="div1" style="position:relative; z-index:10000;">.div1{position:relative;<strong>z-index:10000</strong>}</div>  
  80.             </div>  
  81.         </div>  
  82.         <div class="grandDiv2">  
  83.             <div class="parentDiv2" style="position:relative; z-index:4;">  
  84.                 <div class="div2">.div2{position:staitc}</div>  
  85.                 .parentDiv2{position:relative;<strong>z-index:4</strong>}   
  86.             </div>  
  87.             .grandDiv2{position:static;}   
  88.         </div>  
  89.     </body>  
  90. </html>  


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