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答案错误-css-居中 #131

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zhouping3 opened this issue Mar 18, 2019 · 0 comments

zhouping3 commented Mar 18, 2019

1.水平垂直居中一：position: relative;无法居中需改为 position: absolute;
2.水平垂直居中三：.container 必须指定一个height，否则无法居中

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