Z-INDEX 沒效果
Z-INDEX 沒效果
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>無標題文檔</title>
<style>
*{
?? ?margin:0;
?? ?padding:0;
?? ?font-size:20px;
?? ?font-weight:bold;
?? ?font-family:Arial;
}
.box{
?? ?width:1000px;
?? ?height:400px;
?? ?margin: 10px auto;
?? ?box-shadow:0 1px 4px rgba(0,0,0,0.2),0 0 40px rgba(0,0,0,0.1) inset;
?? ?position:relative;
?? ?z-index:1;
?? ?}
.box:after, .box:before{
?? ?? content:"";
?? ?background:#000;
?? ?top:50%;
?? ?bottom:0;
?? ?left:10px;
?? ?right:10px;
?? ?position:absolute;
?? ?z-index:-1;
?? ?-webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
?? ?-moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
?? ?box-shadow:0 0 20px rgba(0,0,0,0.8);
?? ?-moz-border-radius:100px / 10px;
?? ?border-radius:100px / 10px;
}
.box h1{
?? ?text-align:center;
?? ?line-height:400px;
}
</style>
</head>
<body>
<div class="box">
?<h1>Hello,Word!</h1>
</div>
</body>
</html>
2015-11-19
..懂了? 我搞了半天。。原來是這個原因?。?!
2015-11-13
原來是要給主陰影設置個背景
2015-08-08
謝謝你的自問自答 我也出現了這個問題
2015-01-31
。。。好吧,我知道了。。第一個div 沒加背景顏色
2015-01-31
- -。why?