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This article is about how css uses the one-sided margin attribute to set the value for the outer margin on one side of an element. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The one-sided outer margin attribute can be used to set the equipment setting value for the outer margin on the single side of the element. If you want to configure the left margin of the p element to 20px. Instead of applying margin (you need to type a lot of auto), you can use the following methods:

P {margin-left: 20px;}

You can apply any of the following properties to set only the corresponding margin, without directly affecting all other margins:

Margin-top

Margin-right

Margin-bottom

Margin-left

Multiple such unilateral attributes can be used in a rule, such as:

H3 {margin-top: 20px; margin-right: 30px; margin-bottom: 30px; margin-left: 20px;}

Admittedly, it is generally easier to use margin to deal with this situation:

P {margin: 20px 30px 30px 20px;}

Whether you use unilateral attributes or apply margin, the results are all different. In general, it is easier to use margin if you want to set the outsides of the equipment for multiple edges. However, from the point of view of document representation, it is not necessary to use either way in theory, so you should decide on a way that is easier for me.

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