Introduce how to use CSS margins

CSS Margin(Margin)PropertiesDefines the space around the element.

Margin

margin clears the area around the element (outer border). Margin has no background color and is completely transparent

margin can change the top, bottom, left, and right margins of the element independently. It is also possible to change all properties at once.

Margin can use negative values ​​and overlapping content.

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margin:25px 50px 75px 100px;

The top margin is 25px

The right margin is 50px

The bottom margin is 75px

The left margin is 100px

margin:25px 50px 75px;

The top margin is 25px

The left and right margins are 50px

The bottom margin is 75px

margin:25px 50px;

The top and bottom margins are 25px

The left and right margins are 50px

margin:25px ;

All 4 margins are 25px

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