急学css遇到的一些问题!大家帮忙解决一下!_html/css_WEB-ITnose
大家看这加粗的两段代码为什么.active和#wrap ul li.active的效果会不一样
#wrap ul li.active{border-top:2px solid #8B4513;border-bottom:2px solid #fff;}
.active{border-top:2px solid #8B4513;border-bottom:2px solid #fff;}
- 房产
- 家居
- 二手房
200万内购五环三居 140万安家东三环
北京首现零首付楼盘 53万购东5环50平
京楼盘直降5000 中信府 公园楼王现房
经典清新简欧爱家 90平老房焕发新生
新中式的酷色温情 66平撞色活泼家居
瓷砖就像选好老婆 卫生间烟道的设计
通州豪华3居260万 二环稀缺2居250w甩
西3环通透2居290万 130万2居限量抢购
黄城根小学学区仅260万 121平70万抛!
独家别墅280万 苏州桥2居优惠价248万
回复讨论(解决方案)
上面那个表示给li标签下,后代里有一个叫active的类设置的样式
没有不一样啊!
你F12看看是不是设置了有什么全局样式
肯定不一样的.
请学习css选择器相关知识.
#wrap ul li.active
只能在DOM结构为
- 下使用.
#wrap ul li.active是选择器操作需要有对应DOM元素。。。
.active是类样式。。。控制的对象不一样

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

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



HTML is suitable for beginners because it is simple and easy to learn and can quickly see results. 1) The learning curve of HTML is smooth and easy to get started. 2) Just master the basic tags to start creating web pages. 3) High flexibility and can be used in combination with CSS and JavaScript. 4) Rich learning resources and modern tools support the learning process.

The article discusses the HTML <progress> element, its purpose, styling, and differences from the <meter> element. The main focus is on using <progress> for task completion and <meter> for stati

HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.

The article discusses the HTML <datalist> element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159

The article discusses the HTML <meter> element, used for displaying scalar or fractional values within a range, and its common applications in web development. It differentiates <meter> from <progress> and ex

AnexampleofastartingtaginHTMLis,whichbeginsaparagraph.StartingtagsareessentialinHTMLastheyinitiateelements,definetheirtypes,andarecrucialforstructuringwebpagesandconstructingtheDOM.

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

GiteePages static website deployment failed: 404 error troubleshooting and resolution when using Gitee...
