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Recent questions tagged 为什么::before

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为什么::before 的height高度不起怎用了？
    我的布局是flex布局，使用了一个div的::before来做左右窗格调整大小的间隔线，我的间隔div的宽度与高度是对的。但是他的before元素的高度就不对，设置固定高度也不起作用。请问是哪里出了问题？ 黄度的是间隔div，中间那一段短的绿线是::before元素 间隔div的CSS ::before的css 请问哪里出了问题？谢谢...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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