How to center content inside a DIV using CSS?

To center content inside a <div> using CSS, you can use the following steps:

Set the display property of the <div> to flex.
Set the justify-content and align-items properties of the <div> to center.

Here's an example CSS code:

css
div {
  display: flex;
  justify-content: center;
  align-items: center;
}

This will center all content inside the <div> horizontally and vertically. You can also use other values for the justify-content and align-items properties to achieve different types of centering, such as flex-start, flex-end, space-between, space-around, etc.

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