body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f4f6f8; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; min-height: 100vh; }

h1 { background-color: #003366; color: white; padding: 20px; margin: 0; width: 100%; text-align: center; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); }

.container { background: white; margin-top: 40px; padding: 30px; border-radius: 12px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1); max-width: 500px; width: 100%; }

label, select, option, button { display: block; width: 100%; margin: 10px 0; font-size: 16px; }

select, button { padding: 10px; border: 1px solid #ccc; border-radius: 6px; font-size: 16px; }

button { background-color: #0066cc; color: white; border: none; cursor: pointer; transition: background-color 0.3s ease; }

button:hover { background-color: #004999; }

#resultado { margin-top: 20px; font-size: 20px; font-weight: bold; color: #003366; }

#bandSelectors h2 { font-size: 18px; margin-bottom: 10px; color: #333; }

select { background-color: #fff; cursor: pointer; }

@media (max-width: 600px) { .container { padding: 20px; } h1 { font-size: 22px; } }