body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: rgba(0, 0, 0, 0.7); /* Fondo negro con transparencia */
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* Sombra */
    color: #fff;
    width: 300px;
    text-align: center;
}

.container h2 {
    margin-bottom: 20px;
}

.container label {
    display: block;
    margin-bottom: 10px;
    text-align: left;
}

.container input[type="text"], 
.container input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
    box-sizing: border-box;
}

.container input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #007BFF;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.container input[type="submit"]:hover {
    background-color: #0056b3;
}

.error {
    color: red;
}