Tom
From https://commons.wikimedia.org/wiki/File:Checker-16x16.png Simple gray checker structure on transparent background, blocks are 8 pixels wide. This is intended to be used by CSS styles on Commons and maybe other projects. It might be referenced from global and/or user CSS files (like MediaWiki:Common.css). This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no origin...
