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To horizontally center a block element (like a div element), use margin: auto;

Setting the width of the element will prevent it from stretching out to the edges of its container.

The element will then take up the specified width, and the remaining space will be split equally between the two margins:

The div element is centred

To just centre the text inside an element use text-align: center;

The text is centred

To center an image, set left and right margin to auto and make it into a block element:

One method for aligning elements is to use the position: absolute;

In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.

Another method for aligning elements is to use the float property:

In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.

In this example, the image is taller than the element containing it, and it is floated, so it overflows outside of its container:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus imperdiet, nulla et dictum interdum...

Add a clearfix class with overflow: auto; to the containing element, to fix this problem:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus imperdiet, nulla et dictum interdum...

There are many ways to center an element vertically in CSS. A simple solution is to use top and bottom padding:

I am vertically aligned

To center both vertically and horizontally, use padding and text-align: center:

I am horizontally and vertically centered

Another trick is to use the line-height property with a value that is equal to the height property:

I am horizontally and vertically centered

If padding and line-height are not options, another solution is to use positioning and the transform property:

I am horizontally and vertically centered

A container with both the justify-content and the align-items properties set to center will align the item(s) in the center (in both axis).

I am horizontally and vertically centered

📚Alignment of Elements||10 Ways📚