How to set the margin property of CSS-CSS Tutorial-php.cn

How to set the margin attribute of CSS? Margin isouter margin. This time I will teach you how to use the margin attribute to operate DIV. How to operate the spacing between DIVs

Margin is used to set the distance between object labels. For example, if there are two DIV boxes arranged one above the other, we can use the margin style to achieve the spacing between the two boxes above and below. Margin is presented outside the object border and is close to the border. Marign andpaddingare in the opposite position. CSS padding is close to the border and is located inside the border.

DIV CSS outer margin refers to the CSS attribute word margin. Margin is to set the outer margins on the four sides of the object, with no background color or color.

1. Margin syntax

Margin:10px

The value of Margin is number+html unit, and it can also be auto (automatic, adaptive)

2. Application structure

Div{margin:10px}

Set the distance between the four sides of the div object to 10px

3. Margin description

margin is the setting object Margin distance from the outer margin.

The value of margin has three situations. It can be a positive integer or a negative integer plus a unit such as PX pixels (margin-left:20px); it can be an auto attribute (margin-left: auto (automatic); can be a percentage (%) value (margin-left: 3%).

Margin extension (separately set the four-side spacing attribute word)

margin-left The left extended margin of the object (margin-left: 5px; left extended distance 5px)

margin-rightExtension margin on the right side of the object (margin-right:5px; extension distance on the right side 5px)

margin-topExtension margin on the top of the object (margin-top:5px ; Top extension distance 5px)

margin-bottomObject bottom extension margin (margin-bottom:5px; Bottom extension distance 5px)

How to set the margin property of CSS