How to display a div over other content and in the center of webpage using CSS?

Tags: css

Problem :

How do I display a div over other content of webpage? This div must be centered vertically and horizontally as in this example:

enter image description here

I tried this:

<div style = "position: absolute; top: 50%; left: 50%;">DIV content</div>

In this example only the left corner is centered and not div itself.

Solution :

The following should work.

    margin:-300px auto auto -250px;

The -300 pixels and -250 pixels are the negative half of the height/width of the div respectively.

There may be a better way of doing this, but this is a method I used a while back.

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