Thread:Clawdeen Ghoul/@comment-171752-20150409215544/@comment-171752-20150410152928

The size (width) of the content page varies depending on the size of the user's screen, so there is no single size or a "full background". My best suggestion is to read Help:Background, which contains a lot of information. In the Creating the Background Skin section, you'll see a link to a Background template file. If you're curious to look at it, you can open the file with GIMP, a free, open-source image editor.