Generation

做一个UI完美的学生管理系统

html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>学生管理系统</title> <style type="text/css"> *{ margin: 0; padding: 0; } body{ background: url('images/bg.png') no-repeat 0 0; background-size: 100%; } main{ width: 100%; height: 100%; background: url('images/mainbg.png') no-repeat; background-size: 100% 100%; } header{ width: 100%; height: 100px; } header h1{ width: 100%; height: 100px;

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