当我变窄的时候,下方就有空白了。我想让他无论变窄还是怎样都能保持充满整个页面。该怎么调整,贴代码上来给各位大牛指点一下。
body{ font-family: "Microsoft Yahei","微软雅黑",'Arial',sans-serif; height: 100%; width: 100%; background-image:url("../Photo/web_wechat_login_bg28a2f7.jpg"); background-size:cover; background-repeat: no-repeat;}
回复讨论(解决方案)
background-size: 100% 100%;
background-size: 100% 100%;
这个不行,变得更加空白了
html { height: 100%;}body { height: 100%; background-image: url("Pictures.jpg"); background-repeat: no-repeat; background-size: 100% 100%;}
html { height: 100%;}body { height: 100%; background-image: url("Pictures.jpg"); background-repeat: no-repeat; background-size: 100% 100%;}嗯嗯,行了。感谢大牛解答,能给我讲讲为什么html要设100%才行吗?
html { height: 100%;}body { height: 100%; background-image: url("Pictures.jpg"); background-repeat: no-repeat; background-size: 100% 100%;}嗯嗯,行了。感谢大牛解答,能给我讲讲为什么html要设100%才行吗?
http://www.webhek.com/css-100-percent-height
html { height: 100%;}body { height: 100%; background-image: url("Pictures.jpg"); background-repeat: no-repeat; background-size: 100% 100%;}嗯嗯,行了。感谢大牛解答,能给我讲讲为什么html要设100%才行吗?
http://www.webhek.com/css-100-percent-height 感谢

The roles of HTML, CSS and JavaScript in web development are: 1. HTML is used to build web page structure; 2. CSS is used to beautify the appearance of web pages; 3. JavaScript is used to achieve dynamic interaction. Through tags, styles and scripts, these three together build the core functions of modern web pages.

Setting the lang attributes of a tag is a key step in optimizing web accessibility and SEO. 1) Set the lang attribute in the tag, such as. 2) In multilingual content, set lang attributes for different language parts, such as. 3) Use language codes that comply with ISO639-1 standards, such as "en", "fr", "zh", etc. Correctly setting the lang attribute can improve the accessibility of web pages and search engine rankings.

HTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform

TocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.

HTML is used to build websites with clear structure. 1) Use tags such as, and define the website structure. 2) Examples show the structure of blogs and e-commerce websites. 3) Avoid common mistakes such as incorrect label nesting. 4) Optimize performance by reducing HTTP requests and using semantic tags.

ToinsertanimageintoanHTMLpage,usethetagwithsrcandaltattributes.1)UsealttextforaccessibilityandSEO.2)Implementsrcsetforresponsiveimages.3)Applylazyloadingwithloading="lazy"tooptimizeperformance.4)OptimizeimagesusingtoolslikeImageOptimtoreduc

The core purpose of HTML is to enable the browser to understand and display web content. 1. HTML defines the web page structure and content through tags, such as, to, etc. 2. HTML5 enhances multimedia support and introduces and tags. 3.HTML provides form elements to support user interaction. 4. Optimizing HTML code can improve web page performance, such as reducing HTTP requests and compressing HTML.

HTMLtagsareessentialforwebdevelopmentastheystructureandenhancewebpages.1)Theydefinelayout,semantics,andinteractivity.2)SemantictagsimproveaccessibilityandSEO.3)Properuseoftagscanoptimizeperformanceandensurecross-browsercompatibility.


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