The keyboard shall have a matt surface to avoid reflective glare.

The arrangement of the keyboard and the characteristics of the keys shall be such as to facilitate the use of the keyboard.

The symbols on the keys shall be adequately contrasted and legible from the design working position.

The keyboard shall be tilt able and separate from the screen so as to allow the user to find a comfortable working position which avoids fatigue in the arms or hands.

The space in front of the keyboard shall be sufficient to provide support for the hands and arms of the user

When using the mouse your wrist position should be neutral/straight when looking from the side. As you can see from the image to the right.