DIV CSS
网上很多小箭头都在左边或者上边下边的,自己怎么调都调不到右边,郁闷啊层边框半圆形的,半透明最好,多谢
回复讨论(解决方案)
找张图片放到对应的位置得了 哈哈
不行的,我这层里面还要放东西呢,还要半透明呢,里面是菜单,楼上的不是偷工减料么
大牛呢,没人了么
你的右边和左边的区别是什么?
◆用好??字符就行了
或者用css3??,如果不考?兼容性
用border来实现就是,如果要三角透明那么你懂得
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>border</title> <style> .border{width: 0; height: 0; border: .75em solid; border-color: #f00 #555 #ccc #000;} </style></head><body> </body> <div class="border"></div></html>
当然我是偷懒了,一般都是用一个i来做的 i别忘记dib vam/vat
最近刚好用到这个,希望对你有用,是ccs3的
向左的箭头
arrow-left{ width: 0;height: 0;border-top: 17px dashed transparent;border-bottom: 17px dashed transparent;border-right: 15px solid #777;font-sie: 0;}
向右的箭头
arrow-right{ width: 0;height: 0;border-top: 17px dashed transparent;border-bottom: 17px dashed transparent;border-left: 15px solid #777;font-sie: 0;}
向上的箭头
arrow-top{ width: 0;height: 0;border-left: 17px dashed transparent;border-right: 17px dashed transparent;border-bottom: 15px solid #777;font-sie: 0;}
向下的箭头
arrow-bottom{ width: 0;height: 0;border-left: 17px dashed transparent;border-right: 17px dashed transparent;border-top: 15px solid #777;font-sie: 0;}

HTMLtagsdefinethestructureofawebpage,whileattributesaddfunctionalityanddetails.1)Tagslike,,andoutlinethecontent'splacement.2)Attributessuchassrc,class,andstyleenhancetagsbyspecifyingimagesources,styling,andmore,improvingfunctionalityandappearance.

The future of HTML will develop in a more semantic, functional and modular direction. 1) Semanticization will make the tag describe the content more clearly, improving SEO and barrier-free access. 2) Functionalization will introduce new elements and attributes to meet user needs. 3) Modularity will support component development and improve code reusability.

HTMLattributesarecrucialinwebdevelopmentforcontrollingbehavior,appearance,andfunctionality.Theyenhanceinteractivity,accessibility,andSEO.Forexample,thesrcattributeintagsimpactsSEO,whileonclickintagsaddsinteractivity.Touseattributeseffectively:1)Usese

The alt attribute is an important part of the tag in HTML and is used to provide alternative text for images. 1. When the image cannot be loaded, the text in the alt attribute will be displayed to improve the user experience. 2. Screen readers use the alt attribute to help visually impaired users understand the content of the picture. 3. Search engines index text in the alt attribute to improve the SEO ranking of web pages.

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.


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