FIG. 1 is a perspective view of a keyboard showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

The broken line showing of various keys and input element regions, and the unshaded areas therein, is for illustrative purposes only and forms no part of the claimed design. The unshown bottom of the keyboard forms no part of the claimed design.