Long description

The 2 browser windows are placed side-by-side.

Browser Window 1 has a background that shows black and gray vertical lines. An image is placed at the left side of the browser window. The image shows a green colored circle with the letter S of large font size overlapping the top right of the circle. The image has no background indicating 100 percent transparency, which is shown by the visibility of the background of the browser window.

Browser Window 2 has a background that shows a floral pattern. An image is placed at the left side of the browser window. The image shows a green colored circle with the letter S of large font size overlapping the top right of the circle. The image has no background indicating 100 percent transparency, which is shown by the visibility of the background of the browser window.

There is a line of text below the Browser Windows that reads, P N G format with 256 levels of transparency. A block of colors is shown below the line of text that is labeled Transition showing six levels of transparency. The block has 8 boxes placed side-by-side on a rectangular block that shows black and gray vertical lines. The block with 8 boxes are placed such that only the lower half of the block is placed on the rectangular block with black and gray vertical lines. The block with the boxes show different shades of green ranging from dark to light and finally white. The percentage of darkness is indicated at the top of each box, from left to right, as follows: 0 percent, 15 percent, 30 percent, 45 percent, 60 percent, 75 percent, 90 percent, and 100 percent. There is a label text below that reads, Transition showing six levels of transparency.