最近在学关系型数据库相关，MySQL 和 Postgre,捎带着学了 PHP，为了练手这几天就忙着自己搭博客，项目部署在某云上，该云算是良心，给的空间自己搭博客用足够了。本来想着每日一bo的,所以有的时候实在来不及就只能隔天更新了。以后尽量发点东西出来，等博客搭完写一写 SQL 数据库基础相关的分享，给跟我一样的小白道友们做下参考，大神请直接无视~
说到居中，很多人第一反应应该是水平居中，说到水平居中，肯定道友们有一万种方法做到，CSS3 的FlexBox更是强大到没朋友。但是良辰今天想聊的是 CSS 垂直居中的方法，下面是萌萌的分割线。神马？你敢说不萌？
<!DOCTYPE html><br /><html lang="en"><br /><head><br /> <meta charset="UTF-8"><br /> <title>Title</title><br /></head><br /><body><br /><style><br /> .container{<br /> width: 200px;<br /> height: 200px;<br /> font-weight:bold;">deepskyblue;<br /> display: table;<br /> }<br /> .cell{<br /> display: table-cell;<br /> vertical-align: middle;<br /> font-weight:bold;">lawngreen;<br /> }<br /> .content{<br /> font-weight:bold;">yellow;<br /> }<br /></style><br /> <div class="container"><br /> <div class="cell"><br /> <div class="content"><br /> Content<br /> </div><br /> </div><br /> </div><br /></body><br /></html>
<!DOCTYPE html><br /><html lang="en"><br /><head><br /> <meta charset="UTF-8"><br /> <title>vertical-center</title><br /></head><br /><body><br /> <style><br /> .container{<br /> width: 200px;<br /> height: 200px;<br /> background-color: #003366;<br /> position: relative;<br /> text-align: center;<br /> display: table;<br /> }<br /> .content{<br /> width:100px;<br /> height: 100px;<br /> background-color: yellow;<br /> position: absolute;<br /> top:50%;<br /> margin-top: -50px;<br /> left:50%;<br /> margin-left:-50px; <br /> }<br /> .point{<br /> width:50px;<br /> height: 50px;<br /> position: absolute;<br /> top: 50%;<br /> margin-top: -25px;<br /> left:50%;<br /> margin-left:-50px;<br /> background-color: green;<br /> }</style><br /><br /> <div class="container"><br /> <div class="content"><br /> <div class="point"><br /> point goes here.<br /> </div><br /> </div><br /> </div><br /></body><br /></html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>haorooms不固定高度div写法</title> <style>.center { position: fixed; top: 50%; left: 50%; background-color: #000; width:50%; height: 50%;-webkit-transform: translateX(-50%) translateY(-50%);} </style></head><body> <div class="center"></div></body></html>-webkit-transform: translateX(-50%) translateY(-50%);-moz-transform: translateX(-50%) translateY(-50%);-ms-transform: translateX(-50%) translateY(-50%);transform: translateX(-50%) translateY(-50%);
justify-content:center;//子元素水平居中align-items:center;//子元素垂直居中display:-webkit-flex;
就先写这么多吧，先吃饭去啦~
HTML as a Markup Language: Its Function and PurposeApr 22, 2025 am 12:02 AMThe function of HTML is to define the structure and content of a web page, and its purpose is to provide a standardized way to display information. 1) HTML organizes various parts of the web page through tags and attributes, such as titles and paragraphs. 2) It supports the separation of content and performance and improves maintenance efficiency. 3) HTML is extensible, allowing custom tags to enhance SEO.
The Future of HTML, CSS, and JavaScript: Web Development TrendsApr 19, 2025 am 12:02 AMThe future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.
HTML: The Structure, CSS: The Style, JavaScript: The BehaviorApr 18, 2025 am 12:09 AMThe roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.
The Future of HTML: Evolution and Trends in Web DesignApr 17, 2025 am 12:12 AMThe future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.
HTML vs. CSS vs. JavaScript: A Comparative OverviewApr 16, 2025 am 12:04 AMThe roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.
HTML: Is It a Programming Language or Something Else?Apr 15, 2025 am 12:13 AMHTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.
HTML: Building the Structure of Web PagesApr 14, 2025 am 12:14 AMHTML is the cornerstone of building web page structure. 1. HTML defines the content structure and semantics, and uses, etc. tags. 2. Provide semantic markers, such as, etc., to improve SEO effect. 3. To realize user interaction through tags, pay attention to form verification. 4. Use advanced elements such as, combined with JavaScript to achieve dynamic effects. 5. Common errors include unclosed labels and unquoted attribute values, and verification tools are required. 6. Optimization strategies include reducing HTTP requests, compressing HTML, using semantic tags, etc.
From Text to Websites: The Power of HTMLApr 13, 2025 am 12:07 AMHTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.
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
SublimeText3 English version
Recommended: Win version, supports code prompts!
mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
SublimeText3 Mac version
God-level code editing software (SublimeText3)
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.
Atom editor mac version download
The most popular open source editor
