When typing on your Chromebox, you can make the on-screen keyboard smaller to make it easier to type.

Tap in any text box to show the on-screen keyboard.

Tap the Float button on the top right corner of the on-screen keyboard. 

Your on-screen keyboard will resize to a smaller version.  

Select the Direction pad on the bottom right corner of the on-screen keyboard to move it around the screen.  

When you select the Direction pad  a blue outline will appear.  

To resize the on-screen keyboard, hold and drag any corner.

To return the keyboard to the original size and "dock" it, select Dock in the top right corner of the on-screen keyboard.