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This article introduces the relevant knowledge of "how to align an absolute positioning div horizontally and vertically". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In general, you can add a margin:0px auto to an element to center the element horizontally on its parent element, and then set it to be vertically centered. But adding margin:0px auto to absolutely positioned objects doesn't work, so do it the old-fashioned way.

The code example is as follows:

The code is as follows:

Ant tribe

.father

{

Width:600px

Height:600px

Background-color:green

Margin:0px auto

Position:relative

}

.children

{

Position:absolute

Width:200px

Height:200px

Left:200px

Top:200px

Background-color:red

}

The above code can center the child div horizontally and vertically in the parent div. Here are a few key points:

1. The parent element uses relative positioning so that the child element can use it as a displacement reference object.

The 2.top attribute value is calculated by the height of the parent element / 2-child element / 2 lens left attribute value: the parent element width value / 2-child element width value / 2.

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