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I've seen a design pattern pop up now and again on the web and mobile apps. It's a "rainbow" pattern across the top about 5 pixels high.
For a great example, check out gowalla.com.
Anyone have any idea what this is useful for or what type of effect they're trying to accomplish?
It's merely a visual separator. Probably multi-colored to help promote a sense of fun. There's no technical use for it and if you see it repeated, its merely because it's becoming "trendy".
