Change the boundary's appearance from the boundary toolbar.
Right click on the Project Boundary layer. Select "Edit Style"
Edit the style:
Fill Color: fill the boundary polygon with a color.
Fill Opacity: between 0 and 100%. Set it above 0% for the fill to show.
Line Color: pick a color, or double-click a swatch to create a custom one.
Line Opacity: between 0 and 100%. Set it to 0% to hide the boundary outline.
Line Width: enter a number, in pixels.
Line Style: choose dashed or solid.
Click Save to apply your changes, or Reset to restore Giraffe's defaults.
