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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>文档标题</title>
</head>
<body>
<div class="v-center-absolute-negative-margin-wrap">
<div class="v-center-absolute-negative-margin">Content here</div>
</div>
</body>
</html>
输入 JavaScript 代码……
xxxxxxxxxx
*,div,h1,p{margin:0;}
html,body{ height: 100%;}
.v-center-absolute-negative-margin-wrap{
position: relative;
background: #fcc;
width: 100%;
height: 100%;
}
.v-center-absolute-negative-margin{
position: absolute;
top: 50%;
left: 50%;
/* 使用固定像素 百分比垂直方向不准确*/
height: 140px;
width: 140px;
margin: -70px 0 0 -70px;
background: #f69;
