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更新时间：2022-11-01 19:25:26
From： http://www.jakpsatweb.cz/css/css-vertical-center-solution.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
<head>
<title>Universal vertical center with CSS</title>
<style>
.greenBorder {border: 1px solid green;} /* just borders to see it */
</style>
</head>
<body>
<div class="greenBorder" style="display: table; height: 400px; #position: relative; overflow: hidden;">
<div style=" #position: absolute; #top: 50%;display: table-cell; vertical-align: middle;">
<div class="greenBorder" style=" #position: relative; #top: -50%">
any text<br>
any height<br>
any content, for example generated from DB<br>
everything is vertically centered
</div>
</div>
</div>
</body>
</html>