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This article introduces the knowledge of "how to cancel the inner margins of elements in css". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In css, you can cancel the inner margin of an element through the padding attribute, which sets the value of the inner margin of the element. When the attribute value is 0, the inner margin of the element is eliminated, and the syntax is "element object {padding:0px;}".

The operating environment of this tutorial: windows7 system, CSS3&&HTML5 version, Dell G3 computer.

How to cancel the inner margin of an element by css

In css, the benefit uses the padding attribute to cancel the inner margins of the element, and the padding shorthand attribute sets all the inner margins attributes in a declaration. Examples are as follows:

Create a new html file to clear the outer and inner margins, enter the structure code of the HTML5, and modify the contents of the title tag to: clear the outer and inner margins.

Define multiple tags, such as div,span, etc. Run the web page and right-click-> view the element. You can see that the body tag has an outer margin (the yellow part is the outer margin), as shown in the figure:

Use the * wildcard selector to set the margin and padding of all tags to 0px, and clear the inner and outer margins of all tags, as shown in the figure:

Run the page again, look at the elements, and you can see that the inner and outer margins have been cleared, as shown in the figure:

In the above example, the inner margin of the element has been cleared through the padding attribute.

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