Using Illustrator CC with Other Adobe Applications - Adobe Illustrator CC - page 795

4. Press the letter “D” to set the default stroke (black, 1pt) and fill (white) for the new
rectangle.
5. Select the Selection tool ( ), and with the rectangle selected, click the Horizontal
Align Center button ( ) and then the Vertical Align Bottom button ( ) in the
Control panel to align the rectangle to the bottom, center of the artboard.
6. Press the Shift key, and click the Water.jpg image to select it as well.
7. Click the Transparency panel icon ( ) on the right side of the workspace to ex-
pand the Transparency panel. Click the Make Mask button and leave the artwork
selected.