body {
    background: #f0f0f0;
    font-family: Arial, sans-serif;
}

.ventana {
    width: 300px;
    margin: 80px auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

h2 {
    text-align: center;
}

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

label {
    margin-top: 10px;
}

input[type="text"],
input[type="password"] {
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.recordar {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

button {
    margin-top: 15px;
    padding: 10px;
    background: #0078ff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #005fcc;
}