段落垂直对齐方式

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<head>
<meta charset="utf-8">
<style type="text/css">
    .outer{
        height: 300px;
        overflow: hidden;
        position: relative;
    }
    .outer[class]{
        display: table;position: static;
    }

    .middle{
        position: absolute;
        top: 50%;
    }
    .middle[class]{
        display: table-cell;
        vertical-align: middle;
        position: static;
    }

    .inner{
        position: relative;
        top: -50%;
    }
    #outerid{
        border:1px solid #000;
    }

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<body>
    <div class="outer" id="outerid">
        <div class="middle">
            <div class="inner">
                清平调词三首<br/>
                其一<br/>
                云想衣裳花想容,春风拂槛露华浓。<br/>
                若非群玉山头见,会向瑶台月下逢。<br/>
                其二<br/>
                一枝红艳露凝香,云雨巫山枉断肠。<br/>
                借问汉宫谁得似,可怜飞燕倚新妆。<br/>
                其三<br/>
                名花倾国两相欢,长得君王带笑看。<br/>
                解释春风无限恨,沉香亭北倚阑干。<br/> 

            </div>
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</body>
</html>

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转载自blog.csdn.net/zys351148/article/details/77495462