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

.login-container {
    background-color: white;
    padding: 30px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    width: 300px;
    text-align: center;
}

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

.input-group {
    margin-bottom: 15px;
    text-align: left;
}

    .input-group label {
        display: block;
        margin-bottom: 5px;
        color: #555;
    }

    .input-group input {
        width: 100%;
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 4px;
        box-sizing: border-box;
    }

.login-btn {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

    .login-btn:hover {
        background-color: #45a049;
    }

.error-message {
    color: red;
    margin-top: 10px;
}