search
HomeWeb Front-endCSS TutorialThree basic positioning mechanisms in css

Three basic positioning mechanisms in css

a. Ordinary document flow

b. Positioning: relative positioning

Absolute positioning

Fixed positioning

c. Floating

1. In ordinary flow, the position of elements is determined by the document order and element properties. Block-level elements are arranged from top to bottom. The vertical distance between boxes is determined by the The vertical margin value is calculated, and the inline elements are arranged horizontally in a row

2. Relative positioning is regarded as part of the normal flow. The moved element still occupies the original position. Moving the element will cause it to cover other boxes

3. Absolute positioning is relative to the nearest ancestor element that has been positioned, and absolute positioning is out of the ordinary flow

4. Fixed positioning is relative to the positioning of the browser window

5. The floating element can move left and right until the edge of its outer border touches the edge of the box containing itself or another floating box

6. The floating element breaks away from the ordinary document flow

7. Inline Elements and inline block elements will be arranged around the floating box, and block elements will be covered

For more three basic positioning mechanisms in css, please pay attention to the PHP Chinese website for related articles!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Iterating a React Design with Styled ComponentsIterating a React Design with Styled ComponentsApr 21, 2025 am 11:29 AM

In a perfect world, our projects would have unlimited resources and time. Our teams would begin coding with well thought out and highly refined UX designs.

Oh, the Many Ways to Make Triangular Breadcrumb Ribbons!Oh, the Many Ways to Make Triangular Breadcrumb Ribbons!Apr 21, 2025 am 11:26 AM

Oh, the Many Ways to Make Triangular Breadcrumb Ribbons

SVG Properties in CSS GuideSVG Properties in CSS GuideApr 21, 2025 am 11:21 AM

SVG has its own set of elements, attributes and properties to the extent that inline SVG code can get long and complex. By leveraging CSS and some of the forthcoming features of the SVG 2 specification, we can reduce that code for cleaner markup.

A Few Functional Uses for Intersection Observer to Know When an Element is in ViewA Few Functional Uses for Intersection Observer to Know When an Element is in ViewApr 21, 2025 am 11:19 AM

You might not know this, but JavaScript has stealthily accumulated quite a number of observers in recent times, and Intersection Observer is a part of that

Revisting prefers-reduced-motionRevisting prefers-reduced-motionApr 21, 2025 am 11:18 AM

We may not need to throw out all CSS animations. Remember, it’s prefers-reduced-motion, not prefers-no-motion.

How to Get a Progressive Web App into the Google Play StoreHow to Get a Progressive Web App into the Google Play StoreApr 21, 2025 am 11:10 AM

PWA (Progressive Web Apps) have been with us for some time now. Yet, each time I try explaining it to clients, the same question pops up: "Will my users be

The Simplest Ways to Handle HTML IncludesThe Simplest Ways to Handle HTML IncludesApr 21, 2025 am 11:09 AM

It's extremely surprising to me that HTML has never had any way to include other HTML files within it. Nor does there seem to be anything on the horizon that

Change Color of SVG on HoverChange Color of SVG on HoverApr 21, 2025 am 11:04 AM

There are a lot of different ways to use SVG. Depending on which way, the tactic for recoloring that SVG in different states or conditions — :hover,

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

MantisBT

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

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

MinGW - Minimalist GNU for Windows

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.

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment