How to use the padding attribute in css

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Definition and usage of csspadding attribute

In css, the padding attribute is an abbreviated property that sets all the inner margin attributes (padding), defining the top margin attribute, the right margin attribute, the bottom margin attribute, and the left margin attribute in the same declaration.

Csspadding attribute syntax format

1.padding: attribute value 1 attribute value 2 attribute value 3 attribute value 4

2.padding: attribute value 1 attribute value 2 attribute value 3

3.padding: attribute value 1 attribute value 2

4.padding: attribute value 1

Description:

When the 1.padding attribute has four attribute values: the four attribute values define the upper inner margin, the right inner margin, the lower inner margin and the left inner margin, respectively.

When the 2.padding attribute has three attribute values: attribute value 1 and attribute value 3 define the upper and lower inner margins, respectively. Attribute value 2 defines the right inner margin and the left inner margin

When the 3.padding attribute has two attribute values: the attribute value 1 defines the upper and lower inner margins. Attribute value 2 defines the right inner margin and the left inner margin

When the 4.padding attribute has only one attribute value: the property value defines the upper inner margin, right inner margin, lower inner margin, and left inner margin

Possible attribute values

Auto: browser calculates inner margin

Length: specifies the inner margin value in specific units, such as pixels, centimeters, etc. (default is 0px)

%: specifies the inner margin based on the percentage of the width of the parent element

Inherit: inherits the value of the padding attribute from the parent element

Case study

The csspadding attribute sets the inner margin of the element

Div {width:260px;border:1pxsolid#000;padding:10px20px30px40px;}

The padding property sets the inner margin of the element, which is the text added to demonstrate the effect.

Padding:12px14px16px18px

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