Sample analysis of id selectors not used to create derived selectors in CSS

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!