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Most people do not understand the knowledge points of this article "when to use the neighboring brother selector in CSS", so the editor summarizes the following content, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "when to use the neighboring brother selector in CSS" article.

Choose neighboring brothers

If you need to select an element immediately after another element, and the two have the same parent element, you can use the adjacent sibling selector (Adjacent sibling selector).

For example, if you want to increase the top margin of a paragraph that appears immediately after the H2 element, you can write:

H2 + p {margin-top:50px;}

The selector reads: "Select the paragraph that appears immediately after the H2 element. H2 and p elements have a common parent element."

What is csscss is a computer language used to express file styles such as HTML or XML. It is mainly used to design the style of the web page and make the web page more beautiful. It is also a language that defines style structures such as fonts, colors, locations, etc., and css styles can be stored directly in HTML pages or separate style sheet files, while the priority of style rules is determined by css according to this hierarchical structure, so as to achieve cascading effect. Up to now, css can not only decorate the web page, but also cooperate with various scripts to format the web page.

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