css让一个div水平垂直居中方法大全

    xiaoxiao2021-12-12  2

    方法一:position加margin

    <div class="wrap"> <div class="center"></div> </div> /**css**/ .wrap { width: 200px; height: 200px; background: yellow; position: relative; } .wrap .center { width: 100px; height: 100px; background: green; margin: auto; position: absolute; left: 0; right: 0; top: 0; bottom: 0; }

    兼容性:主流浏览器均支持,IE6不支持

    方法二: diaplay:table-cell

    <!-- html --> <div class="wrap"> <div class="center"></div> </div> /*css*/ .wrap{ width: 200px; height: 200px; background: yellow; display: table-cell; vertical-align: middle; text-align: center; } .center{ display: inline-block; vertical-align: middle; width: 100px; height: 100px; background: green; }

    兼容性:由于display:table-cell的原因,IE6\7不兼容

    方法三:position加 transform

    <!-- html --> <div class="wrap"> <div class="center"></div> </div> /* css */ .wrap { position: relative; background: yellow; width: 200px; height: 200px;} .center { position: absolute; background: green; top:50%; left:50%; -webkit-transform:translate(-50%,-50%); transform:translate(-50%,-50%); width: 100px; height: 100px; }

    兼容性:ie9以下不支持 transform,手机端表现的比较好。

    方法四:flex;align-items: center;justify-content: center

    <!-- html --> <div class="wrap"> <div class="center"></div> </div> /* css */ .wrap { background: yellow; width: 200px; height: 200px; display: flex; align-items: center; justify-content: center; } .center { background: green; width: 100px; height: 100px; }

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    方法五:display:flex;margin:auto

    <!-- html --> <div class="wrap"> <div class="center"></div> </div> /* css */ .wrap { background: yellow; width: 200px; height: 200px; display: flex; } .center { background: green; width: 100px; height: 100px; margin: auto; }

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    方法六:纯position

    <!-- html --> <div class="wrap"> <div class="center"></div> </div> /* css */ .wrap { background: yellow; width: 200px; height: 200px; position: relative; } /**方法一**/ .center { background: green; position: absolute; width: 100px; height: 100px; left: 50px; top: 50px; } /**方法二**/ .center { background: green; position: absolute; width: 100px; height: 100px; left: 50%; top: 50%; margin-left:-50px; margin-top:-50px; }

    兼容性:适用于所有浏览器

    方法七:兼容低版本浏览器,不固定宽高

    <!-- html --> <div class="table"> <div class="tableCell"> <div class="content">不固定宽高,自适应</div> </div> </div> /*css*/ .table { height: 200px;/*高度值不能少*/ width: 200px;/*宽度值不能少*/ display: table; position: relative; float:left; background: yellow; } .tableCell { display: table-cell; vertical-align: middle; text-align: center; *position: absolute; padding: 10px; *top: 50%; *left: 50%; } .content { *position:relative; *top: -50%; *left: -50%; background: green; }
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