Fixed width at 750, header/left menu/content/footer.

Dein header

Menu 2

Sub Menu 2.1
Sub Menu 2.2
Sub Menu 2.3

Menu 3

Sub Menu 3.1
Sub Menu 3.1
Sub Menu 3.1
Sub Menu 3.1
Sub Menu 3.1
Sub Menu 3.1

Menu 4

Sub Menu 4.1
Sub Menu 4.1

Dein Inhalt

Dein Footer