body {
    font-family: Arial, sans-serif;
    background-color: #f0f4f8;
    margin: 0;
    padding: 0;
}

.container {
    text-align: center;
    margin-top: 50px;
}

h1 {
    color: #333;
    margin-bottom: 20px;
}

.dropdowns {
    margin-bottom: 20px;
}

select {
    padding: 10px;
    margin: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 250px;
}

button {
    padding: 10px 20px;
    border: none;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #0056b3;
}

table {
    margin: 0 auto;
    width: 80%;
    border-collapse: collapse;
    margin-top: 20px;
}

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

th {
    background-color: #007bff;
    color: white;
}