Does overflow belong to css3?

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The overflow property does not belong to css3. The overflow attribute specification is defined in the css2 version and is not in the css3 version; but its related properties "overflow-x", "overflow-y" and "overflow-style" are in the css3 version.

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

Overflow does not belong to css3.

The overflow attribute specifies what happens when the content overflows the element box.

This attribute defines what happens to the content that overflows the content area of the element. If the value is scroll, the user agent provides a scrolling mechanism whether it is needed or not. Therefore, it is possible that a scroll bar will appear even if everything can be dropped in the element box.

The overflow attribute specification is defined in the css2 version and is not part of the css3 version:

But the attributes related to overflow: "overflow-x", "overflow-y" and "overflow-style" belong to the css3 version

Attribute describes whether the CSSoverflow-x will crop the left / right edge of the content if the content overflows the content area of the element. 3overflow-y whether the upper / lower edges of the content are cropped if the content overflows the content area of the element. 3overflow-style specifies the preferred scrolling method for overflow elements. 3 above is about the content of this article "does overflow belong to css3?" I believe we all have a certain understanding. I hope the content shared by the editor will be helpful to you. If you want to know more related knowledge, please pay attention to the industry information channel.