Depending on your Figma export (with or without background) you might need to change the background color inside of transjt so that you can see the contents in the preview.

To do so, navigate to the right upper corner when inside of your project. By click on the icon, you can adjust the color of the background canvas.

<aside> ➡️ Next section

tagging (Buttons, Header, Forms, Footer)

</aside>