body {
    font-family: Arial, sans-serif;
    font-size: 16pt;
    color: #333;
    background-color: #f4f4f4;
    text-align: center;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 500px;
    margin: 100px auto; /* Center the container with top margin */
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h3 {
    font-size: 24pt;
    color: #333;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    max-width: 400px; /* Limit the width of input fields */
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16pt;
}

input[type="submit"] {
    background-color: #28a745;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16pt;
    width: 100%;
    max-width: 200px; /* Limit the width of the submit button */
}

input[type="submit"]:hover {
    background-color: #218838;
}

.error-message {
    color: red;
    font-size: 14pt;
    margin-bottom: 20px;
}