The photos are scattered together. When the mouse is hovering, rotate to enlarge and straighten. The effect is as shown below (all pictures are from the Internet). The main css3 attributes used are: transition, transform (scale, rotateZ), box-shadow and z-index.
<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <style> *{margin:0;padding:0;} html,body{background:#eee;} /*设置场景居中*/ .wall{width:1000px;height:700px;position:fixed;top:50%;margin-top:-350px;left:50%;margin-left:-500px;} /*设置图片绝对定位,方便设置放置的位置,并设置所有属性的过渡时间为0.2s*/ img{position:absolute;display:block;max-width:300px;max-height:300px;padding:10px 10px 20px;background:#fff;border:1px solid #ddd;-webkit-transition:0.2s;} /*鼠标悬浮时设置大小放大到1.2倍,并摆正,即Z轴方向的旋转角度为0*/ img:hover{-webkit-transform:scale(1.2) rotateZ(0);box-shadow:10px 10px 5px #555;z-index:2;} /*设置每个照片的位置和旋转角度*/ .img1{left:0;top:0;-webkit-transform:rotateZ(20deg);} .img2{left:280px;top:0;-webkit-transform:rotateZ(5deg);} .img3{left:470px;top:0;-webkit-transform:rotateZ(-10deg);} .img4{left:720px;top:0;-webkit-transform:rotateZ(25deg);} .img5{left:220px;top:200px;-webkit-transform:rotateZ(-2deg);} .img6{left:830px;top:240px;-webkit-transform:rotateZ(-15deg);} .img7{left:490px;top:190px;-webkit-transform:rotateZ(5deg);} .img8{left:80px;top:430px;-webkit-transform:rotateZ(-5deg);} .img9{left:290px;top:450px;-webkit-transform:rotateZ(5deg);} .img10{left:510px;top:380px;-webkit-transform:rotateZ(-10deg);} .img11{left:760px;top:500px;-webkit-transform:rotateZ(10deg);} .img12{left:-100px;top:250px;-webkit-transform:rotateZ(-5deg);} </style> </head> <body> <div class="wall"> <img class="img1 lazy" src="/static/imghwm/default1.png" data-src="http://mp1.zhuqu.com/static/images/thb3/611/29/29a5296418b9f689968b22d3a9ebba07.jpg" alt=""/> <img class="img2 lazy" src="/static/imghwm/default1.png" data-src="http://h.hiphotos.baidu.com/image/pic/item/63d9f2d3572c11df1e33e52a612762d0f603c2dd.jpg" alt=""/> <img class="img3 lazy" src="/static/imghwm/default1.png" data-src="http://h.hiphotos.baidu.com/image/pic/item/4d086e061d950a7bdd523bb808d162d9f2d3c963.jpg" alt=""/> <img class="img4 lazy" src="/static/imghwm/default1.png" data-src="http://f.hiphotos.baidu.com/image/pic/item/c9fcc3cec3fdfc031f73ebc4d63f8794a4c22646.jpg" alt=""/> <img class="img5 lazy" src="/static/imghwm/default1.png" data-src="http://e.hiphotos.baidu.com/image/pic/item/902397dda144ad348d0a25fbd2a20cf431ad8511.jpg" alt=""/> <img class="img6 lazy" src="/static/imghwm/default1.png" data-src="http://a.hiphotos.baidu.com/image/pic/item/b03533fa828ba61ed8c6c2534334970a304e59a5.jpg" alt=""/> <img class="img7 lazy" src="/static/imghwm/default1.png" data-src="http://h.hiphotos.baidu.com/image/pic/item/d4628535e5dde711d794368aa5efce1b9d166103.jpg" alt=""/> <img class="img8 lazy" src="/static/imghwm/default1.png" data-src="http://h.hiphotos.baidu.com/image/pic/item/9213b07eca8065382b38ae6f95dda144ac3482ff.jpg" alt=""/> <img class="img9 lazy" src="/static/imghwm/default1.png" data-src="http://d.hiphotos.baidu.com/image/pic/item/bd315c6034a85edfd6938b5f4b540923dd5475aa.jpg" alt=""/> <img class="img10 lazy" src="/static/imghwm/default1.png" data-src="http://e.hiphotos.baidu.com/image/pic/item/c995d143ad4bd113df57bd4e58afa40f4bfb0537.jpg" alt=""/> <img class="img11 lazy" src="/static/imghwm/default1.png" data-src="http://e.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5c98ab2fd53da81cb38db3dd9.jpg" alt=""/> <img class="img12 lazy" src="/static/imghwm/default1.png" data-src="http://c.hiphotos.baidu.com/image/pic/item/37d12f2eb9389b500dd0952e8735e5dde7116e9a.jpg" alt=""/> </div> </body></html>
This example is only compatible with browsers with webkit core. To be compatible with browsers with other cores, you need to add other prefixes (-moz-, - o-etc.).
In addition, the positive and negative directions of the rotateZ attribute used in this example often confuse people. In a 3D scene, the positive direction of the X-axis is horizontally to the right, and the positive direction of the Y-axis is vertically downward. The positive direction of the Z-axis is perpendicular to the screen and outward. After determining the positive direction, you only need to remember the following rules: starting from the coordinate origin, looking towards the positive direction of the coordinate axis, rotate counterclockwise rotate(X/Y/Z ) is a positive number, and when rotating clockwise, the value of rotate(X/Y/Z) is a negative number.

The 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.

The 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 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.


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