RK-J

1. goto home page
2. click on start learning
3. click on video on the learn/videos page.
4. stop video playback
5. click on book (I searched for spl. then, chose 'deep learning' book)
6. searched for 'Momentum'
7. clicked on first result
8. played the video on the resulting page and stopped it.
9. clicked on the back button twice to land on the home page.
10. closed the video

At this point, cannot go to the bottom of the home page.