body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 20px;
}

h2 {
    color: #005a9c;
}

label, input, button {
    font-size: 16px;
    margin: 5px 0;
}

input[type=number] {
    width: 50px;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 15px;
    margin: 10px 0;
    cursor: pointer;
}

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

table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    text-align: center;
    padding: 8px;
}

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

tr:nth-child(even) {
    background-color: #f2f2f2;
}

strong {
    color: #005a9c;
}