如何讓圖片垂直置中顯示

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上載者:User
第1種,置中效果

<p class="box">
<p class="center">置中效果</p>
</p>

/*第1種,垂直置中效果*/.box{       width: 200px;height: 200px;border: 1px solid #ccc;       position: relative;  }.center{      width: 100px;height: 100px;background: gray;      margin: auto;position: absolute;top: 0;left: 0;bottom: 0;right: 0;    }

第2種 圖片置中

<p class="box2">
<img class="center2" src="yz_p5.jpeg" alt=""/>
<span class="block"></span>
</p>

/*第2種 圖片垂直置中*//* span是輔助元素 vertical-align這個屬性的特點,它是相對兄弟級行高(line-height)來定位*/.box2{    width: 350px;height: 350px;border: 1px solid #F22727;    text-align: center;}.center2{ vertical-align: middle;}.block{ line-height: 350px;}/*跟父級一樣高*/

第3種,置中效果 父元素使用display: table; 子項目display: table-cell;
<p class="box3">
<span class="center3"><img src="yz_p5.jpeg" alt=""/></span>
</p>

/*第3種,置中效果*/.box3{    width: 350px;height: 350px;border: 1px solid #F22727;display: table;text-align: center;}.center3{    display: table-cell;vertical-align: middle;}

第4種,置中效果
<p class="box4">
<img class="center4" src="yz_p5.jpeg" alt=""/>
</p>

/*第4種,置中效果  根據父元素來計算*/.box4{    width:300px;height: 300px;border: 1px solid #F22727;}.center4{    width: 200px;height: 200px;position: relative;left: 16%;top: 19%;}
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