on IE10, some lines appear when you mouse over or click on the pop-up window. The color of the line is the background color (the screenshot has chromatic aberration)
A red mask reveals red lines, while a gray translucent mask reveals gray lines
IE10 only
this question has been encountered three times, and I don"t know the cause all the time. I hope I can get an answer from the boss. Thank you
. 
try adding a white background color to the pop-up box.
if you use position:absolute to locate the pop-up window in the middle of the page, you can use flex layout to center the pop-up window, so that there will be no lines
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