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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <style>
- body{
- margin: 0;
- }
- .container{
- max-width: 980px;
- margin: 0 auto;
- }
- img{
- display: none;
- width: 100%;
- }
- @media screen and (min-width:961px){
- .img1{
- display: block;
- }
- }
- @media screen and (max-width:960px) and (min-width:481px) {
- .img2{
- display: block;
- }
- }
- @media screen and (max-width:480px) {
- .img3{
- display: block;
- }
- .container .content{
- flex-wrap: wrap;
- }
- .container .content section{
- width: 100%;
- margin-right: 0;
- margin-bottom: 20px;
- }
- .container .content aside{
- width: 100%;
- }
- }
- header,nav,footer{
- background-color: #ccc;
- height: 50px;
- color: #fff;
- font-size: 30px;
- line-height: 50px;
- font-weight: bold;
- text-align: center;
- margin-bottom: 20px;
- }
- .content{
- display: flex;
- margin: 20px 0;
- }
- .content section{
- width: 55%;
- margin-right: 5%;
- height: 200px;
- background-color: red;
- }
- .content aside{
- width: 40%;
- height: 200px;
- background-color: blueviolet;
- }
- </style>
- </head>
- <body>
- <div class="container">
- <header>头部</header>
- <nav>导航</nav>
- <section>
- <img class="img1" src="./img/1.jpg" alt="img">
- <img class="img2" src="./img/2.jpg" alt="img">
- <img class="img3" src="./img/3.jpg" alt="img">
- </section>
- <div class="content">
- <section>IE8 及更早IE版本无法在这些元素中渲染CSS效果,以至于你不能使用 或者其他的HTML5 elements.IE8 及更早IE版本无法在这些元素中渲染CSS效果,以至于你不能使用 或者其他的HTML5 elements.</section>
- <aside>IE8 及更早IE版本无法在这些元素中渲染CSS效果,以至于你不能使用 或者其他的HTML5 elements.IE8 及更早IE版本无法在这些元素中渲染CSS效果,以至于你不能使用 或者其他的HTML5 elements.</aside>
- </div>
- <footer>尾部</footer>
- </div>
- </body>
- </html>
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