Web Front-endHTML Tutorial[Review the past and learn the new] Use CSS to design website navigation bar_html/css_WEB-ITnose
1. Preview of the navigation menu effect for background change:
Source code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>实现背景变换的导航菜单</title><!--利用#nav 定义div的样式，包括宽度、右边框、填充的符合属性、字体、字号、背景颜色和字体颜色利用#nav ul 定义 div 下的 ul 对象的样式，包括列表属性 list-style、边距 margin、填充 padding、边框 border 属性利用#nav li 定义 li 对象的样式利用#nav li a 定义 li 对象下的链接文字样式利用#nav li a:hover 定义 li 对象下的链接文字激活样式 ---><style type="text/css">#nav { width:150px; border-right:1px solid #000; padding:0 0 1em 0; margin-bottom:1em; font-family:"宋体"; font-size:13px; background-color:#ff9933; color:#000000;}#nav ul { list-style:none; margin:0; padding:0; border:none;}#nav li { margin:0; border-bottom:1px solid #ffff00;}#nav li a { display:block; padding:5px 5px 5px 0.5em; background-color:#ff9933; color:#fff; text-decoration:none; width:100%; border-right:10px solid #ffcc00; border-left:10px solid #ffcc00;}html>body #nav li a { width:auto;}#nav li a:hover { background-color:#ffcc00; color:#fff; border-right:10px solid #ff00ff; border-left:10px solid #ff00ff;}</style></head><body><div id="nav"> <ul> <li><a href="#nav">首页</a></li> <li><a href="#nav">公司频道</a></li> <li><a href="#nav">最新动态</a></li> <li><a href="#nav">客房介绍</a></li> <li><a href="#nav">酒店服务</a></li> <li><a href="#nav">休闲娱乐</a></li> <li><a href="#nav">旅行社</a></li> </ul></div></body></html>
2. Use CSS to create horizontal navigation
Effect preview:
Source code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>利用CSS制作横向导航</title><!--首先定义了ul 下li 对象，给#navh li 指定了 float:left 属性，所有的li对象都向左浮动，从而形成横向的排列形式导航的关键在于a 链接对象的样式控制，在这里使用#navh li a{} 给li 下的每一个a 链接对象编写了样式display:block 使得a 链接对象的显示方式由一段文本变为一个块状对象，这样就可以使用CSS的外边距、内边距、边框等属性给a 链接标签加上一系列样式--><style type="text/css">#navh li{ float:left;}#navh ul { list-style:none; margin:0; padding:0; border:none;}#navh li a { color:#ffffff; text-decoration:none; padding-top:4px; display:block; width:65px; height:20px; text-align:center; background-color:#6600cc; margin-left:2px; }#navh li a:hover{ background-color:#9999ff; color:#ffffff;}</style></head><body><div id="navh"> <ul> <li><a href="#navh">首页</a></li> <li><a href="#navh">公司频道</a></li> <li><a href="#navh">最新动态</a></li> <li><a href="#navh">客房介绍</a></li> <li><a href="#navh">酒店服务</a></li> <li><a href="#navh">休闲娱乐</a></li> <li><a href="#navh">旅行社</a></li> </ul></div></body></html>
Source: Chapter 13.3 of "HTML, CSS, Javascript Web Page Production from Beginner to Master"
What is the purpose of the <datalist> element?Mar 21, 2025 pm 12:33 PMThe 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 PMThe 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 PMThe 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
How do I use HTML5 form validation attributes to validate user input?Mar 17, 2025 pm 12:27 PMThe article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.
What is the viewport meta tag? Why is it important for responsive design?Mar 20, 2025 pm 05:56 PMThe 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.
What is the purpose of the <iframe> tag? What are the security considerations when using it?Mar 20, 2025 pm 06:05 PMThe 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 are the best practices for cross-browser compatibility in HTML5?Mar 17, 2025 pm 12:20 PMArticle 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 PMThis 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
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
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
SublimeText3 Linux new version
SublimeText3 Linux latest version
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.
WebStorm Mac version
Useful JavaScript development tools
VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft
