How to center a box using HTML
Centering a box is easy using a CSS stylesheet in HTML. There are two main ways to achieve box centering:
Horizontal centering
- Settings
text-align: center;
Style: This is The simplest way to horizontally center a block-level element such asdiv
,h1
, orp
. - Use
margin: auto;
style: This method is suitable for non-block-level elements (such as inline elements), such as images or embedded videos. It will automatically set the left and right margins of the element so that it is centered.
Vertical center
- Use
margin: 0 auto;
Style: This style sets the left and right margins of the element to0
and center it vertically. - Use the
position: absolute;
style: This style removes the element from the normal document flow and allows you to use thetop
andleft
attributes to absolutely position it. You can then set these properties to50%
and offset the element usingtransform: translate(-50%, -50%);
to center it.
Example
The following example shows how to center a box horizontally and vertically using HTML and CSS:
<div style="text-align: center; margin: 0 auto;"> <p>这是一个水平和垂直居中的盒子。</p> </div>
Note :
- Make sure the container element has enough height or width to accommodate the centered element.
- For complex layouts, you may need to use a combination of horizontal and vertical centering techniques.
- For cross-browser compatibility, be sure to specify a prefix in each style (such as
-webkit-
,-moz-
).
The above is the detailed content of How to center the box in html. For more information, please follow other related articles on the PHP Chinese website!

TheroottaginanHTMLdocumentis.Itservesasthetop-levelelementthatencapsulatesallothercontent,ensuringproperdocumentstructureandbrowserparsing.

The article explains that HTML tags are syntax markers used to define elements, while elements are complete units including tags and content. They work together to structure webpages.Character count: 159

The article discusses the roles of <head> and <body> tags in HTML, their impact on user experience, and SEO implications. Proper structuring enhances website functionality and search engine optimization.

The article discusses the differences between HTML tags , , , and , focusing on their semantic vs. presentational uses and their impact on SEO and accessibility.

Article discusses specifying character encoding in HTML, focusing on UTF-8. Main issue: ensuring correct display of text, preventing garbled characters, and enhancing SEO and accessibility.

The article discusses various HTML formatting tags used for structuring and styling web content, emphasizing their effects on text appearance and the importance of semantic tags for accessibility and SEO.

The article discusses the differences between HTML's 'id' and 'class' attributes, focusing on their uniqueness, purpose, CSS syntax, and specificity. It explains how their use impacts webpage styling and functionality, and provides best practices for

The article explains the HTML 'class' attribute's role in grouping elements for styling and JavaScript manipulation, contrasting it with the unique 'id' attribute.


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

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

Hot Article

Hot Tools

Zend Studio 13.0.1
Powerful PHP integrated development environment

WebStorm Mac version
Useful JavaScript development tools

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

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.

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),
