css The writing method of id selector is "#selector{property:value}". There is a # sign in front of the ID selector, also known as the checkerboard number or pound sign; like the class selector, the ID selector Wildcard selectors can be ignored in .
#The operating environment of this tutorial: Windows 7 system, Dell G3 computer, CSS3 version.
How to write css id selector?
How to write css id selector: #selector{property: value}.
In some ways, ID selectors are similar to class selectors, but there are some important differences.
Syntax
ID selectors are preceded by a # sign - also known as a checkerboard number or pound sign. (Related course recommendations: css video tutorial)
Please see the following rules:
*#intro {font-weight:bold;}Like the class selector, the wildcard selector can be ignored in the ID selector . The previous example could also be written as:
#intro {font-weight:bold;}The effect of this selector would be the same.
The ID selector refers to the value in the id attribute. Here's an example of an actual ID selector:
<p id="intro">This is a paragraph of introduction.</p>
The above is the detailed content of How to write css id selector. For more information, please follow other related articles on the PHP Chinese website!
A Little Reminder That Pseudo Elements are Children, Kinda.Apr 19, 2025 am 11:39 AMHere's a container with some child elements:
Menus with 'Dynamic Hit Areas'Apr 19, 2025 am 11:37 AMFlyout menus! The second you need to implement a menu that uses a hover event to display more menu items, you're in tricky territory. For one, they should
Improving Video Accessibility with WebVTTApr 19, 2025 am 11:27 AM"The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect."- Tim Berners-Lee
Weekly Platform News: CSS ::marker pseudo-element, pre-rendering web components, adding Webmention to your siteApr 19, 2025 am 11:25 AMIn this week's roundup: datepickers are giving keyboard users headaches, a new web component compiler that helps fight FOUC, we finally get our hands on styling list item markers, and four steps to getting webmentions on your site.
Making width and flexible items play nice togetherApr 19, 2025 am 11:23 AMThe short answer: flex-shrink and flex-basis are probably what you’re lookin’ for.
Weekly Platform News: HTML Inspection in Search Console, Global Scope of Scripts, Babel env Adds defaults QueryApr 19, 2025 am 11:18 AMIn this week's look around the world of web platform news, Google Search Console makes it easier to view crawled markup, we learn that custom properties
IndieWeb and WebmentionsApr 19, 2025 am 11:16 AMThe IndieWeb is a thing! They've got a conference coming up and everything. The New Yorker is even writing about it:
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
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
WebStorm Mac version
Useful JavaScript development tools
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
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.
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
