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2025-04-03 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly introduces the relevant knowledge of "HTML class selector use case analysis". The editor shows you the operation process through the actual case, and the operation method is simple, fast and practical. I hope this "HTML class selector use case analysis" article can help you solve the problem.
Binding element selector
Class selectors can be used in conjunction with element selectors.
For example, you might want only paragraphs to appear as red text:
P.important {color:red;}
The selector now matches all p elements where the class attribute contains important, but no other type of element matches, regardless of whether the class attribute is present or not. The selector p.important is interpreted as: "all paragraphs whose class attribute value is important." Because the H2 element is not a paragraph, the selector of this rule does not match it, so the H2 element does not turn into red text.
If you do want to specify a different style for the H2 element, you can use the selector h2.important:
This is the end of p.important {color:red;} h2.important {color:blue;} on "HTML Class Selector usage instance Analysis". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.
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