Comment 33 for bug 1573031

(In reply to kompilainenn from comment #14)
> Yousuf, single toolbar in Writer does not fit in 1280 pixel width. It's
> default resolution of my monitor 19" (1280х1024)

Kompilainenn, it fits if you use small icons, which is how it is intended to fit for users by default, while users with larger screens can use large icons if they choose.

https://wiki.documentfoundation.org/images/9/99/Single_Toolbar_Mode.png