I am using the itch.io embeddable widget for my websites to link to my games. On small mobile devices the widget does only show a black frame with a download button. If you decrease the mobile screen width then it shows the games preview image in the background. If you increase the screen width then it shows game specific infos (name, author, small description). The black frame only appears if the width is 360px. This is a bit annoying since my mobile phone is affected by that bug (Samsung Galaxy A53). This happens on Chrome mobile as well as Firefox mobile.