Please restarting the browser by shutting down the browser completely and opening it again.
If the issue continues please try the below:
Flipp uses a standard web technology called WebGL to power the rich flyer viewing experience. You will need to have this enabled in order to view the optimal flyer experience; alternatively you will be shown a grid view of all of the items in the flyer.
- Check if your web browser supports WebGL and if it is enable: https://get.webgl.org/
- If your web browser supports WebGL but it is disabled, enable it following these steps: http://superuser.com/questions/836832/how-can-i-enable-webgl-in-my-browser