body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

h1, h2, h3 {
    color: #333;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 10px;
    display: flex;
    gap: 15px;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #0056b3;
    font-weight: bold;
}

form {
    background-color: #fff;
    padding: 15px;
    margin: 15px;
    border-radius: 8px;
    box-shadow: 0px 2px 5px rgba(0,0,0,0.1);
    max-width: 600px;
}

form label {
    display: block;
    margin-top: 10px;
}

form input, form select, form textarea, form button {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

form button {
    background-color: #0056b3;
    color: #fff;
    border: none;
    cursor: pointer;
}

form button:hover {
    background-color: #003d80;
}

table {
    width: 95%;
    margin: 15px auto;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0px 2px 5px rgba(0,0,0,0.05);
}

table th, table td {
    padding: 10px;
    border: 1px solid #ccc;
    text-align: left;
}

a.button {
    background-color: #28a745;
    color: white;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 4px;
}

a.button:hover {
    background-color: #218838;
}