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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>
- .box{
- width: 400px;
- height: 400px;
- border:1px dashed black;
- float: left;
- margin-left: 50px;
- margin-top: 50px;
- text-align: center;
- line-height: 400px;
- /* position: relative; */
- /* display: flex;
- justify-content: center;
- align-items: center; */
- }
- .div1{
- width: 100px;
- height: 100px;
- background-color: red;
- /* position: absolute;
- top: 50%;
- left: 50%; */
- /* margin-top: -50px;
- margin-left: -50px; */
- /* transform: translate(-50%,-50%); */
- }
- span{
- background-color: red;
- color: #fff;
- /* position: absolute;
- top: 50%;
- left: 50%;
- transform: translate(-50%,-50%); */
- }
- </style>
- </head>
- <body>
- <div class="box">
- <div class="div1"></div>
- </div>
- <div class="box">
- <span>hello</span>
- </div>
- </body>
- </html>
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