What is the function of CSS descendant selector

This article mainly explains "what is the function of CSS descendant selector". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next let the editor to take you to learn "what is the role of CSS offspring selector"!

Li a {

Text-decoration: none

}

At present, the very commonly used css selector is used to select the child element Y under the X element, there is a point to note here is that the selector in this way will select all the matching child elements under it, regardless of the level, so some cases are not suitable to use, such as the above code to remove all a underscores under li, but there is also a ul in li, I do not want to remove underscores from li a under ul.

When using this descendant selector, consider whether you want a style to work for all descendant elements.

Another function of this descendant selector is to create a namespace-like function. For example, the scope of the above code style is obviously li.

What is the basic syntax of css? the basic syntax of css is:

1. The css rule consists of a selector and one or more declarations.

2. Selectors are usually HTML elements that need to be styled

3. Each declaration consists of an attribute and a value

4. Attributes and attribute values are separated by colons.

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