body {
    font-family: 'Arial', sans-serif;
    text-align: center;
    background: white;
    color: #333;
}

header {
    background: #0077B6;
    color: white;
    padding: 30px;
    font-size: 24px;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    padding: 15px 20px;
    text-decoration: none;
    font-size: 20px;
    border-radius: 8px;
    font-weight: bold;
}

section {
    background: white;
    padding: 25px;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 80%;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #0077B6;
    font-size: 28px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 15px;
    border: 1px solid #ddd;
    text-align: center;
}

th {
    background: #0077B6;
    color: white;
    font-size: 20px;
}

footer {
    background: #333;
    color: white;
    padding: 20px;
    font-size: 18px;
}