aspect ratio. See Image:Blank300.png for a placeholder which won't take up any visible vertical space, and Image:Blank300vert.png for a horizontal one.
Description1x1.png English: One pixel transparent PNG. View in Media Viewer↑. Useful as a rectangular spacer. See also Blank.png and Image:Blank300.png (horizontal
Image:Blank.png for a placeholder with a 3:2 aspect ratio, and Image:Blank300.png for a 1 x 300 px placeholder. Date 6 March 2006 (original upload date)