Web 前端开发教程 | 25、【面试题一】盒子垂直水平居中在页面中 | Html+css+js入门开发

2020 9:56
Synopsis
方法有很多,可以自己多尝试比如这样的思路: 给父元素相对定位给子元素绝对定位left: 50%;top: 50%; margin-left: 负的宽度一半。
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