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This article mainly introduces the CSS id selector is not used to create derived selector example analysis, has a certain reference value, interested friends can refer to, I hope you read this article after a lot of gains, the following let Xiaobian with everyone to understand.

The id resolver can be used independently to invoke even if it is not used to construct derivative selectors:

#sidebar { border: 1px dotted #000; padding: 10px; }

According to this rule, an element with id sidebar will have a black dotted border one pixel wide and padding 10 pixels wide to its left. Older versions of Windows/IE readers will probably ignore this rule unless you additionally define the element to which this selector belongs:

div#sidebar { border: 1px dotted #000; padding: 10px; } Thank you for reading this article carefully. I hope that Xiaobian will share the "CSS ID selector is not used to create an example analysis of derived selectors". This article is helpful to everyone. At the same time, I hope that everyone will support it a lot. Pay attention to the industry information channel. More relevant knowledge is waiting for you to learn!

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