Put border around rectangle

[Mark B]

I've got a light blue filled rectangle with rounded corners.

How do I put a 10 pixel thick border around it in a darker blue?

[Fred C.]

With the rectangle selected, choose the path color, pick the dark blue and
adjust the
path width to 10 pixels.

Post by Mark B
I've got a light blue filled rectangle with rounded corners.
How do I put a 10 pixel thick border around it in a darker blue?