Formatting portalsYou format portal backgrounds and portal rows separately. You can display a different background in alternating portal rows, for contrast and easy identification, or to display a different background color for the selected portal row when the portal is viewed in Browse mode.
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5. From the object type list, choose Portal: Row.
7. Tip To make the portal rows partially transparent, for Fill, choose Solid Color or Color Gradient. Click , then drag the Opacity slider (Windows) or click Other Color, then drag the Opacity slider (OS X). You can’t change the opacity for image fills.
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