- 布局除了 position,float之外,还可以使用 inline-box
- vertical-align 属性会影响到 inline-block元素,你可能会把它的值设置为top。
- 你需要设置每一列的宽度
- 如果HTML源代码中元素之间有空格,那么列与列之间会产生空隙
nav {display: inline-block;vertical-align: top;width: 25%;border: 1px solid yellowgreen;}.column {display: inline-block;vertical-align: top;width: 74%;border: 1px solid #66BAB7;}
更多display
-
清除浮动
.box { float: left; width: 200px; height: 100px; margin: 1em; border: 1px solid #66BAB7;}.after-box { clear: left;/*left和both都可以*/ border: 1px solid yellowgreen;}
http://zh.learnlayout.com/clearfix.html清除浮动水很深
-
column多列布局
.three-column{ border: 1px solid #66BAB7; padding: 1em; -webkit-column-count: 3; column-count: 3; -webkit-column-gap: 1em; column-gap: 1em;}
大概这么个效果
-
box-sizing当你设置一个元素为 box-sizing: border-box 时,此元素的内边距和边框不再会增加它的宽度。
/*此时内边距和边框都不会增加它的宽度*/.simple { width: 500px; margin: 20px auto; border: 1px solid blue; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;}.fancy { width: 500px; margin: 20px auto; padding: 50px; border: 10px solid blue; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;}
-
flex布局
- 简单的 flex 布局
.container {display: -webkit-flex;display: flex;background: lightblue;}nav {width: 200px;background: #66BAB7;}.flex-column {flex: 1;-webkit-flex: 1;background: yellowgreen;}
- 复杂的 flex 布局
.container {display: flex;display: -webkit-flex;}.first {flex: initial;-webkit-flex: initial;width: 200px;min-width: 100px;background: red;}.none {flex: none;-webkit-flex: none;width: 200px;background: yellow;}.flex1 {flex: 1;-webkit-flex: 1;background: yellowgreen;}.flex2 {flex: 2;-webkit-flex: 2;background: #66BAB7;}
- 居中 flex 布局
.vertical-container {height: 500px;display: -webkit-flex;display: flex;-webkit-align-items: center;align-items: center;-webkit-justify-content: center;justify-content: center;}.div {width: 200px;height: 200px;border: 10px solid #66BAB7;}
安利:http://zh.learnlayout.com/toc.html
- 简单的 flex 布局

The 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.

The 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.

HTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.

HTML 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.

HTML 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.

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

The role of HTML is to define the structure and content of a web page through tags and attributes. 1. HTML organizes content through tags such as , making it easy to read and understand. 2. Use semantic tags such as, etc. to enhance accessibility and SEO. 3. Optimizing HTML code can improve web page loading speed and user experience.

HTMLisaspecifictypeofcodefocusedonstructuringwebcontent,while"code"broadlyincludeslanguageslikeJavaScriptandPythonforfunctionality.1)HTMLdefineswebpagestructureusingtags.2)"Code"encompassesawiderrangeoflanguagesforlogicandinteract


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