body {
    background-color: #f4f4f4;
    font-family: Arial, sans-serif;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.login-container h2 {
    color: #333;
    margin-bottom: 20px;
}

.login-container .form-group {
    margin-bottom: 15px;
    text-align: left;
}

.login-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.login-container input[type="text"],
.login-container input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.login-container .button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}

.login-container .button:hover {
    background-color: #0056b3;
}

.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    font-weight: bold;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}