It was one of the first eight backgrounds released in Club Penguin.
In July 2013, its appearance was changed to a darker red and black outlines. They also changed the color pattern from red to white, to white to red.
Throughout several months, all the targets in Club Penguin were updated with a similar look like the Snow Forts and the Arcade.
The most probable explanation for this occurrence is that the targets were very similar to the logo of the company Target Corporation and the Club Penguin Team was trying to avoid legal issues.