Commonly used selectors in CSS include: class selector, ID selector, element selector, descendant selector, child selector, wildcard selector, group selector and attribute selector, used to specify Specific elements or groups of elements to enable styling and page layout.
CSS Common Selectors
CSS selectors are used to specify specific elements or groups of elements. The following are some of the most commonly used selectors in CSS:
1. Class selector
- Syntax:
.class-name
- Select elements with the specified class name
- For example:
.red
Select all elements with the "red" class.
2. ID selector
- Syntax:
#id-name
- Select the Element with ID
- For example:
#header
Select the element with ID "header".
3. Element selector
- Syntax:
element-name
- Select all elements with the specified Element
- for element name For example:
p
Selects all paragraph elements.
4. Descendant selector
- Syntax:
parent > child
- The selection is the parent Child elements of descendants of the element
- For example:
div > p
Selects all paragraph elements within the div element.
5. Child selector
- Syntax:
parent child
- The selection is of the parent element Child elements of child elements
- For example:
ul li
Selects all list items (li) in the unordered list (ul).
6. Wildcard selector
- Syntax:
*
- Select any element
- For example:
* { color: blue; }
Set the text color of all elements to blue.
7. Group selector
- Syntax:
element1, element2, element3
- Select Multiple elements
- For example:
p, h1, h2
Select all paragraph, heading 1 and heading 2 elements.
8. Attribute selector
- Syntax:
[attribute]
or[attribute=value]
- Select elements with the specified attribute or the attribute value is the specified value
- For example:
[data-type="nav"]
Select all elements with "data-type " attribute and its value is "nav".
The above is the detailed content of What are the commonly used selectors in css?. For more information, please follow other related articles on the PHP Chinese website!

In this week's roundup: Firefox gains locksmith-like powers, Samsung's Galaxy Store starts supporting Progressive Web Apps, CSS Subgrid is shipping in Firefox

In this week's roundup: Internet Explorer finds its way into Edge, Google Search Console touts a new speed report, and Firefox gives Facebook's notification

You’re probably already at least a little familiar with CSS variables. If not, here’s a two-second overview: they are really called custom properties, you set

Building websites is programming. Writing HTML and CSS is programming. I am a programmer, and if you're here, reading CSS-Tricks, chances are you're a

Here's what I'd like you to know upfront: this is a hard problem. If you've landed here because you're hoping to be pointed at a tool you can run that tells

Picture-in-Picture made its first appearance on the web in the Safari browser with the release of macOS Sierra in 2016. It made it possible for a user to pop

Gatsby does a great job processing and handling images. For example, it helps you save time with image optimization because you don’t have to manually

I learned something about percentage-based (%) padding today that I had totally wrong in my head! I always thought that percentage padding was based on the


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

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

Dreamweaver CS6
Visual web development tools

WebStorm Mac version
Useful JavaScript development tools

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

Zend Studio 13.0.1
Powerful PHP integrated development environment