Page-in-a-Page Design
The engineer in me says that the page is already in the browser-window box—another box is just not needed, it’s waste.
And the designer in me would rather see an aesthetic that embraces the reality that it’s all lights and pixels on a flat screen. It’s not the real world or even the printed page. Why pretend it is? Isn’t there something to be gained by going with what-it-is rather than fighting it?