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The invisible pixel although unseen on a web page can be a very useful item. To create one you only need to build a 1x1 pixel image and set its background to view as transparent. This can be achieved by saving the graphic as a .gif format. With it having a transparent background it will not display when added to a web design. So what good is it if you can't see it? Good HTML coding suggests that you add height and width dimensions in pixels when you are building images into your HTML code. Since the pixel is transparent changing the height or width to reflect any value will not affect how the transparent pixel visually appears. So you could adjust you transparent pixel to reflect 1 pixel in height and 20 pixels in width. This will allow you to position content in a more precise location vertically or horizontally on a web page. Give it a try.

Seeing is believing!