Examine source code of Brainbow

{
  "theme": {
    "images": {
      "theme_frame": "brainbowHeader.jpg"
    },
    "colors": {
      "frame": "#11a8ad",
      "tab_background_text": "#e8e8e8"
    }
  },
  "version": "2.0",
  "name": "Brainbow",
  "manifest_version": 2,
  "description": "Confocal images of \"brainbow\" transgenic mouse hippocampus (header) and brain stem (footer). Images belong to Dr. Tamily Weissman of Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, United States and Dr. Jean Livet of Institut de la Vision, INSERM U592 and UPMC, Paris, France."
}