If you want, you could make your browser full screen, and then the address bar won’t detract from the presentation: To make Google Chrome full screen, press F11 on Windows/Linux or Cmd + Ctrl + F on Mac. Alternatively, click the three-dot menu in the top-right corner and select the square icon next to "Zoom". To exit, press F11, Cmd+Ctrl+F, or hover at the top and click the 'X'.