同样的样式为什么没有作用?_html/css_WEB-ITnose
完整代码如下:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Sublime Text 3 快捷键总结</title> <style> html,body,div,span,h1,h2,h3,h4,h5,ul,li,ol{ padding:0; margin:0; } #pos_box{ width:960px; margin-left:50%; } #waper{ background:#690; position:relative; right:50%; } #waper h1{ text-align:center; } #box1,#box2,#box3,#box4{ width:450px; float:left; margin-left:15px; } .box h5{ text-align:center; } .box div span{ border:1px solid #666; display:block; } div strong{ } div code{ } </style></head><body><div id="pos_box"> <div id="waper"> <h1 id="Sublime-nbsp-Text-nbsp-nbsp-快捷键总结">Sublime Text 3 快捷键总结</h1> <div id="box3" class="box"> <h5 id="搜索类">搜索类</h5> <div> <sapn><strong>Ctrl+G</strong><code>打开搜索框，自动带：，输入数字跳转到该行代码。举个栗子：在页面代码比较长的文件中快速定位。</code></sapn> <sapn><strong>Ctrl+R</strong><code>打开搜索框，自动带@，输入关键字，查找文件中的函数名。举个栗子：在函数较多的页面快速查找某个函数。</code></sapn> <sapn><strong>Ctrl+：</strong><code>打开搜索框，自动带#，输入关键字，查找文件中的变量名、属性名等。</code></sapn> <sapn><strong>Ctrl+Shift+P</strong><code>打开命令框。场景栗子：打开命名框，输入关键字，调用sublime text或插件的功能，例如使用package安装插件。</code></sapn> <sapn><strong>Esc</strong><code>退出光标多行选择，退出搜索框，命令框等。</code></sapn> </div> </div> <div id="box4" class="box"> <h5 id="显示类">显示类</h5> <div> <span><strong>Alt+Shift+2</strong><code>左右分屏-2列</code></span> <span><strong>Alt+Shift+3</strong><code>左右分屏-3列</code></span> <span><strong>Alt+Shift+4</strong><code>左右分屏-4列</code></span> <span><strong>Alt+Shift+5</strong><code>等分4屏</code></span> <span><strong>Alt+Shift+8</strong><code>垂直分屏-2屏</code></span> <span><strong>Alt+Shift+9</strong><code>垂直分屏-3屏</code></span> <span><strong>Ctrl+K+B</strong><code>开启/关闭侧边栏。</code></span> <span><strong>F11</strong><code>全屏模式</code></span> <span><strong>Shift+F11</strong><code>免打扰模式</code></span> </div> </div> </div></div></body></html>演示的图片上传不了, 问题是:
使用以下样式:
.box div span{ border:1px solid #666; display:block; }id为box4里的span有样式, 而id为box3里的span没有样式?这是为什么?求帮助?
回复讨论(解决方案)
.
box3里的span都写成sapn了
.
box3里的span都写成sapn了
哎，我粗心了，当局者迷呀。太感谢了！
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
AI Hentai Generator
Generate AI Hentai for free.
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
1358
52
What is the purpose of the <datalist> element?
Mar 21, 2025 pm 12:33 PM
The article discusses the HTML <datalist> element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159
What is the purpose of the <progress> element?
Mar 21, 2025 pm 12:34 PM
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
What is the purpose of the <meter> element?
Mar 21, 2025 pm 12:35 PM
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
What is the purpose of the <iframe> tag? What are the security considerations when using it?
Mar 20, 2025 pm 06:05 PM
The article discusses the <iframe> tag's purpose in embedding external content into webpages, its common uses, security risks, and alternatives like object tags and APIs.
What is the viewport meta tag? Why is it important for responsive design?
Mar 20, 2025 pm 05:56 PM
The article discusses the viewport meta tag, essential for responsive web design on mobile devices. It explains how proper use ensures optimal content scaling and user interaction, while misuse can lead to design and accessibility issues.
How do I use HTML5 form validation attributes to validate user input?
Mar 17, 2025 pm 12:27 PM
The article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.
What are the best practices for cross-browser compatibility in HTML5?
Mar 17, 2025 pm 12:20 PM
Article discusses best practices for ensuring HTML5 cross-browser compatibility, focusing on feature detection, progressive enhancement, and testing methods.
How do I use the HTML5 <time> element to represent dates and times semantically?
Mar 12, 2025 pm 04:05 PM
This article explains the HTML5 <time> element for semantic date/time representation. It emphasizes the importance of the datetime attribute for machine readability (ISO 8601 format) alongside human-readable text, boosting accessibilit
