body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    padding: 20px;
}

h2 {
    color: #333;
}

nav {
    background-color: #333;
    padding: 10px;
    margin-bottom: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-right: 15px;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

form {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    width: 400px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input[type="text"],
input[type="date"],
select {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
}

input[type="submit"] {
    padding: 10px 15px;
    background-color: #28a745;
    border: none;
    color: white;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #218838;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
}

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