When I press "up" on the website opened in Firefox, it scrolls up very slowly and with a noticeable jitter. It is nice to see the display model easily rotating

When I press "up" on the website opened in Firefox, it scrolls up very slowly and with a noticeable jitter. It is nice to see the display model easily rotating in 3D, but the on/off button is not clickable. The logos at the top and on the bottom-left corners are blurred. The font size at the bottom of the page is too small (barely visible).