When i click a link, a pop up comes out. The thing is that it is not aligned to the centre of the screen. By the way my code also helps the website (and the pop up) to look perfectly in a mobile version. When i click a link, a pop up comes out. The th
阅读背景：
如何让弹出窗口看到屏幕的中心？
来源：互联网
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