切换布局
显示结果
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>CSS 网页布局 - 迹忆客(jiyik.com)</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> body { margin: 0; } /* 头部样式 */ .header { background-color: #f1f1f1; padding: 20px; text-align: center; } </style> </head> <body> <div class="header"> <h1>头部区域</h1> </div> </body> </html>
