How to use the id determiner and derivative determiner of CSS

This article editor for you a detailed introduction of the "CSS id decision maker and derivative determiner how to use", detailed content, clear steps, details handled properly, I hope that this "CSS id decision maker and derivative decision maker how to use" article can help you solve doubts, the following follow the editor's ideas slowly in-depth, together to learn new knowledge.

Id decision maker and derivative decision maker

In ancient structures, id selectors were often used to set up derivative selectors.

# sidebar p {font-style: italic; text-align: right; margin-top: 0.5em;}

The following items will only be applied to paragraphs within elements where id is sidebar at that time. This element is most likely a div or a table unit, although it is also mostly a table outline and other block-level elements. It can even be an inline element, for example, it may be, but how legitimate its use is, because it cannot be embedded in an inline element.

If you forget the reason, see XHTML:web refactoring.

After reading this, the article "how to use CSS's id decision maker and derivative determiner" has been introduced. If you want to master the knowledge of this article, you still need to practice and use it yourself to understand it. If you want to know more about related articles, welcome to follow the industry information channel.