Full screen in my browser: use Chrome

MAC:

It is not possible to get a full screen visual in the Safari or Firefox browser in a Mac. In that case you will always see the tabs and header of the browser. 

Solution: use Chrome. Press: Shift + cmd + F and than refresh: cmd + R

PC:

We support Chrome or Firefox. InternetExplorer is NOT yet supported. Press F12 for full screen and than F5 to refesh.