All objects (text boxes, Autoshapes, pictures) have set attributes that you can use to control the appearance of the objects.
To view and change the options, right-click over the object and select Format Object. The following options appear:
Interiors – set a picture , texture, pattern, or gradient fill to flood the interior of an object.
Border - set a border style, color and width and optionally set a shadow.
Text Alignment – set alignment and orientation of the text
Font – font used for the text elements.