Shape Effects
Try
This: Format The Border
Select the
Text Box border.
Go to
Home ->Drawing.
Select:
Shape Effects.

What Do
You See? The Shape Effects include
a wonderful gallery of Preset formatting. You can also choose
different options such as Shadow, Reflection (cool), Glow, Soft
Edges, Bevel and 3-D Rotation (way cool) if you wish.
Sometimes,
formatting is just too fun to be called 'work.' <grin>