The background-position property sets the starting position of the background image.
This attribute sets the position of the background original image (defined by background-image). If the background image is to be repeated, it will start from this point.
Tip: You need to set the background-attachment property to "fixed" to ensure that this property works properly in Firefox and Opera.
Default: 0% 0%
Inheritance: no
Version: CSS1
JavaScript syntax: object.style.backgroundPosition="center"
All browsers support background -position attribute.
Note: The attribute value "inherit" is not supported in any version of Internet Explorer (including IE8).
Possible values
top left
top center
top right
center left
center center
right
bottom left
bottom center
bottom right
If you only specify one keyword, the second value will be "center". Default value: 0% 0%.
x% y% The first value is the horizontal position and the second value is the vertical position. The upper left corner is 0% 0%. The lower right corner is 100% 100%. If you specify only one value, the other value will be 50%.
xpos ypos The first value is the horizontal position and the second value is the vertical position. The upper left corner is 0 0. Units are pixels (0px 0px) or any other CSS unit. If you specify only one value, the other value will be 50%. You can mix % and position values.
Example 1:
<html><head><style type="text/css">body{ background-image:url('/i/eg_bg_03.gif'); background-repeat:no-repeat; background-attachment:fixed; background-position:center;}</style></head><body><body><p><b>提示：</b>您需要把 background-attachment 属性设置为 "fixed"，才能保证该属性在 Firefox 和 Opera 中正常工作。</p></body></body></html> Example 2:
<html><head><style type="text/css">body{ background-image: url('/i/eg_bg_03.gif');background-repeat: no-repeat;background-attachment:fixed;background-position: 30% 20%; }</style></head><body><p><b>注释：</b>为了在 Mozilla 中实现此效果，background-attachment 属性必须设置为 "fixed"。</p></body></html>
Example 3:
<html><head><style type="text/css">body{ background-image: url('/i/eg_bg_03.gif');background-repeat: no-repeat;background-attachment:fixed;background-position: 50px 100px;}</style></head><body><p><b>注释：</b>为了在 Mozilla 中实现此效果，background-attachment 属性必须设置为 "fixed"。</p></body></html> 
The Future of HTML, CSS, and JavaScript: Web Development TrendsApr 19, 2025 am 12:02 AMThe future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.
HTML: The Structure, CSS: The Style, JavaScript: The BehaviorApr 18, 2025 am 12:09 AMThe roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.
The Future of HTML: Evolution and Trends in Web DesignApr 17, 2025 am 12:12 AMThe future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.
HTML vs. CSS vs. JavaScript: A Comparative OverviewApr 16, 2025 am 12:04 AMThe roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.
HTML: Is It a Programming Language or Something Else?Apr 15, 2025 am 12:13 AMHTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.
HTML: Building the Structure of Web PagesApr 14, 2025 am 12:14 AMHTML is the cornerstone of building web page structure. 1. HTML defines the content structure and semantics, and uses, etc. tags. 2. Provide semantic markers, such as, etc., to improve SEO effect. 3. To realize user interaction through tags, pay attention to form verification. 4. Use advanced elements such as, combined with JavaScript to achieve dynamic effects. 5. Common errors include unclosed labels and unquoted attribute values, and verification tools are required. 6. Optimization strategies include reducing HTTP requests, compressing HTML, using semantic tags, etc.
From Text to Websites: The Power of HTMLApr 13, 2025 am 12:07 AMHTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.
Understanding HTML, CSS, and JavaScript: A Beginner's GuideApr 12, 2025 am 12:02 AMWebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.
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
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.
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
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.
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
Atom editor mac version download
The most popular open source editor
