.form-container {
    max-width: 800px; /* Limit the maximum width of the form */
    margin: 20px auto; /* Center the form on the page */
    padding: 20px; /* Add padding around the content */
    background-color: #000000; /* Light background color */
    border-radius: 8px; /* Rounded corners */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); /* Subtle shadow for depth */
    font-family: Arial, sans-serif; /* Font style */
    position: relative; /* Position relative for loader positioning */
}

h2 {
    text-align: center; /* Center the heading */
    color: #ffffff; /* Dark gray color for the text */
    margin-bottom: 20px; /* Space below the heading */
    font-size: 24px; /* Font size for the heading */
}

iframe {
    width: 100%; /* Make iframe responsive */
    height: 600px; /* Set height of the iframe */
    border: none; /* Remove default border */
}

.loader {
    position: absolute; /* Position loader absolutely */
    top: 50%; /* Center vertically */
    left: 50%; /* Center horizontally */
    transform: translate(-50%, -50%); /* Adjust to center */
    border: 8px solid #f3f3f3; /* Light gray */
    border-top: 8px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    display: none; /* Initially hidden */
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 600px) {
    .form-container {
        padding: 10px; /* Reduce padding on smaller screens */
    }

    h2 {
        font-size: 20px; /* Adjust font size for smaller screens */
    }

    iframe {
        height: 400px; /* Adjust height for smaller screens */
    }
}