> It’s safest to presume that users on desktop or laptop devices are not filling their entire screen with a browser.
Not on literally any laptop I've ever seen. I've never seen a screen where the browser _isn't_ filling all space available to them, sometimes even the entire screen (in fullscreen mode on MacOS).
Not on literally any laptop I've ever seen. I've never seen a screen where the browser _isn't_ filling all space available to them, sometimes even the entire screen (in fullscreen mode on MacOS).