Question

Create a style rule for the page body that sets the width to 95% of the browser window ranging from 640 pixels up to 960 pixels. Horizontally center the page body within the browser window. Finally, Karen wants to ensure that the height of the page body is always at least as high as the browser window itself. Set the minimum height of the browser window to 100%. Create a style rule to apply the Border Box model to all header, ul, nav, li, and a elements in the document.

Answer 1

Hint
You need to use media queries to change the width
But generally you could use