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This article mainly introduces css how to achieve a way independent of document elements, the article introduces in great detail, has a certain reference value, interested friends must read it!

CSS class selector

The class selector allows you to specify styles in a way that is independent of document elements.

The selector can be used alone or in combination with other elements.

Tip: these selectors can only be used after the document is properly marked, so using these two selectors usually requires some ideas and planning.

The most common way to apply styles without considering the elements of a specific design is to use a class selector.

Modify HTML code

Before using the class selector, you need to modify the specific document tags so that the class selector works properly.

In order to associate the style of the class selector with the element, class must be specified as an appropriate value. Look at the following HTML code:

This heading is very important.This paragraph is very important.

In the above code, the class of both elements is specified as important: the first title (H2 element) and the second paragraph (p element).

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