Examine source code of Celestial Night

{
  "theme": {
    "images": {
      "theme_frame": "celestial_header.jpg"
    },
    "colors": {
      "frame": "#969696",
      "tab_background_text": "#1c1c1c"
    }
  },
  "version": "2.0",
  "name": "Celestial Night",
  "manifest_version": 2,
  "description": "Starry and beautiful Pinks"
}