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  • div+css 让一个小div在另一个大div里面 垂直居中

    方法1:

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    .parent {
              width:800px;
              height:500px;
              border:2px solid #000;
              position:relative;
    }
     .child {
                width:200px;
                height:200px;
                marginauto;  
                positionabsolute;  
                top0left0bottom0right0
                background-colorred;
    }

    方法2:

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    .parent {
                width:800px;
                height:500px;
                border:2px solid #000;
                display:table-cell;
                vertical-align:middle;
                text-aligncenter;
            }
            .child {
                width:200px;
                height:200px;
                display:inline-block;
                background-colorred;
            }

    方法3:

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    .parent {
                width:800px;
                height:500px;
                border:2px solid #000;
                display:flex;
                justify-content:center;
                align-items:center;
            }
            .child {
                width:200px;
                height:200px;
                background-colorred;
            }

    方法4:

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    .parent {
                width:800px;
                height:500px;
                border:2px solid #000;
                position:relative;
            }
            .child {
                width:300px;
                height:200px;
                margin:auto;
                position:absolute;/*设定水平和垂直偏移父元素的50%,
    再根据实际长度将子元素上左挪回一半大小*/
                left:50%;
                top:50%;
                margin-left-150px;
                margin-top:-100px;
                background-colorred;
            }
     
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  • 原文地址:https://www.cnblogs.com/lxg0/p/6798028.html
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