body {
    font-family: Courier;
    font-size: 12pt;
    background-color: #cce6ff;
    margin: 0;
}

.menu {
    background-color: #003366;
    padding: 15px;
    text-align: center;
}

.menu a {
    color: white;
    text-decoration: none;
    margin: 15px;
    font-weight: bold;
}

.menu a:hover {
    text-decoration: underline;
}

.contenedor {
    width: 80%;
    margin: 30px auto;
    padding: 20px;
    background-color: white;
    border: 3px solid #003366;
}