Examine source code of Luna Cycle

{
  "theme": {
    "images": {
      "theme_frame": "lunacycleheader.jpg"
    },
    "colors": {
      "frame": "#b2b7ff",
      "tab_background_text": "#b2b7ff"
    }
  },
  "version": "2.0",
  "name": "Luna Cycle",
  "manifest_version": 2,
  "description": "Luna!"
}