The display of the public screen will be adjusted the hardware it is displayed on.
The most usual type of screen is now with Full HD, which means 1920 x 1080 pixles. On such screens, the sizes of the main area, the sidebar and the footer are like on the image below.
On screens with a different resolution, the relationship will adjust itself like the percentages displayed on this illustration.
Questions? Contact us at firstname.lastname@example.org!