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| <!DOCTYPE html>
| <html lang="en">
| <head>
| <meta charset="UTF-8">
| <title>监控系统</title>
| <style>
| div.wrapper {
| border: 0px solid black;
| height: 250px;
| width: 550px;
| background: white;
| margin: auto;
| text-align:center
| }
|
| div.form-div {
| border: 1px solid black;
| height: 50px;
| width: 550px;
| background: yellow;
| margin: auto;
| }
|
| div.img-div {
| border: 1px solid black;
| height: 200px;
| width: 550px;
| background: white;
| margin: auto;
| }
| </style>
| </head>
|
| <body>
| <div class="wrapper">
| <h4>working</h4>
|
|
| </div>
| </body>
| </html>
|
|
