body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    padding: 30px;
    }
    
    
    h1 {
    margin-bottom: 20px;
    }
    
    
    nav a {
    margin-right: 15px;
    text-decoration: none;
    font-weight: bold;
    color: #333;
    }
    
    
    form {
    background: #fff;
    padding: 20px;
    max-width: 400px;
    border-radius: 8px;
    }
    
    
    input, select, button {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    }
    
    
    button {
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    }
    
    
    button:hover {
    background: #0056b3;
    }
    
    
    table {
    border-collapse: collapse;
    background: #fff;
    }
    
    
    table th, table td {
    padding: 10px;
    border: 1px solid #ddd;
    }