Examine source code of Painted_abstract

{
  "theme": {
    "images": {
      "theme_frame": "Paint_header_EDIT.jpg"
    },
    "colors": {
      "frame": "#fcfcfc",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Painted_abstract",
  "manifest_version": 2,
  "description": "Painted, not tainted"
}