/* Estilos básicos */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #004080;
    color: white;
    padding: 20px;
    text-align: center;
}

main {
    padding: 20px;
}

h1, h2 {
    margin: 0 0 10px;
}

p {
    font-size: 1.2em;
}

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

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

th, td {
    padding: 10px;
    text-align: center;
}

select {
    padding: 5px;
    font-size: 1em;
}

footer {
    background-color: #004080;
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Responsividad */
@media (max-width: 600px) {
    table {
        font-size: 0.9em;
    }
}