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This article mainly explains the "introduction and use of z-index attributes in css", the content of the explanation is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "the introduction and use of z-index attributes in css" bar!

1. Z-index attribute value: when the default value is 0, the z-index attribute can set the overlap between elements.

2. The layer with high z-index value is above the layer with low value.

Example

Div {position: relative; width: 100px; height: 100px;} p {position: absolute; font-size: 20px; width: 100px; height: 100px;} .a {background-color: pink; z-index: 1;} .c {background-color: green; z-index: 2 Top: 20px; left: 20px;} .b {background-color: red; z-index: 3; top:-20px; left: 40px Thank you for your reading, the above is the content of "introduction and use of z-index attributes in css". After the study of this article, I believe you have a deeper understanding of the introduction and use of z-index attributes in css, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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