页面加载形成的图片平东信息

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>页面加载</title>
<style>
.loading{ 
width:160px; 
height:56px; 
position: absolute; 
top:50%; 
left:50%; 
line-height:56px; 
color:#fff; 
padding-left:60px; 
font-size:15px; 
background: #000 url(../img/load.gif) no-repeat 10px 50%; 
opacity: 0.7; 
z-index:9999; 
-moz-border-radius:20px; 
-webkit-border-radius:20px; 
border-radius:20px; 
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=70); 
} 
</style>
</head>
<body>
<div id="loading" class="loading">Loading pages...</div> 
</body>
</html>