CSS selectors are used to select elements in HTML to apply styles to. They include: Element selector (select by tag name) Identity selector (select by ID) Class selector (select by class name) Attribute selector (select by attribute) Child selector (select child elements within the parent element) Descendants Selector (selects descendants of parent element) Adjacent selector (selects immediately adjacent elements) Combined selector (matches multiple selectors) Comma-separated selector (matches any one of multiple selectors)
Common CSS selectors
CSS selectors are syntax used to select elements in HTML documents. They allow style authors to style an element based on its name, ID, class, attributes, and other characteristics.
The following are common CSS selector types:
Element selector
- Universal selector (*): Select all elements in the document.
-
Type selector (tag name) : Select elements with a specific tag (type), such as
p
(paragraph) ordiv
( separator).
Identity Selector
- ID Selector (#ID): Selects elements with a specific ID attribute value. The ID must be unique within the document.
Class Selector
- Class Selector (.className) : Selects elements with a specific class name. An element can have multiple class names.
Attribute Selector
- Attribute Selector ([Attribute Name]): Select elements with the specified attribute.
- Attribute value selector ([Attribute name="Attribute value"]): Select elements with a specific attribute value or a value that contains a specific substring.
Other selectors
- Child selector (parent element > child element) : Select the child element located in the parent Elements inside elements.
- Descendant selector (parent element child element) : Select elements that are descendants of the parent element.
- Adjacent selector (adjacent selector adjacent selector) : Select the element immediately following the adjacent selector.
Selector combination
- Combination selector (Selector 1 Selector 2): Select multiple items at the same time The elements matched by the selector.
- Comma separated selectors (selector 1, selector 2) : Selects elements that match any of the listed selectors.
The above is the detailed content of What are the common css selectors?. For more information, please follow other related articles on the PHP Chinese website!

I recently found a solution to dynamically update the color of any product image. So with just one of a product, we can colorize it in different ways to show

In this week's roundup, Lighthouse sheds light on third-party scripts, insecure resources will get blocked on secure sites, and many country connection speeds

There are loads of analytics platforms to help you track visitor and usage data on your sites. Perhaps most notably Google Analytics, which is widely used

The document head might not be the most glamorous part of a website, but what goes into it is arguably just as important to the success of your website as its

What's happening when you see some JavaScript that calls super()?.In a child class, you use super() to call its parent’s constructor and super. to access its

JavaScript has a variety of built-in popup APIs that display special UI for user interaction. Famously:

I was chatting with some front-end folks the other day about why so many companies struggle at making accessible websites. Why are accessible websites so hard

There is an HTML attribute that does exactly what you think it should do:


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

SublimeText3 Chinese version
Chinese version, very easy to use

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

WebStorm Mac version
Useful JavaScript development tools

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment