#login {
    max-width: 400px;
    margin: 3rem auto;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

#login h2 {
    text-align: center;
    border-bottom: 2px solid #16a085;
    padding-bottom: 0.5rem;
}

#form-login {
    display: flex;
    flex-direction: column;
}

#form-login button {
    margin-top: 1rem;
    width: 100%;
    transition: background-color 0.3s ease;
}

#form-login button:hover {
    background-color: #2e7d32;
}

.nota-acceso {
    margin-bottom: 1rem;
    text-align: center;
}