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This article mainly introduces the relevant knowledge of "how to display CSS class selector". The editor shows you the operation process through an actual case. The operation method is simple and fast, and it is practical. I hope this article "how to display CSS class selector" can help you solve the problem.

In CSS, the class selector is displayed with a period:

.center {text-align: center}

In the above example, all HTML elements that have the center class are centered.

In the following HTML code, both H2 and p elements have center classes. This means that both will follow the rules in the ".center" selector.

This heading will be center-aligned

This paragraph will also be center-aligned.

Note: numbers cannot be used in the first character of a class name! It does not work in Mozilla or Firefox.

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