Examine source code of Ocean Moon

{
  "theme": {
    "images": {
      "theme_frame": "Optimized-Ocean-and-moon_Banner.png"
    },
    "colors": {
      "frame": "#21de83",
      "tab_background_text": "#119c5b"
    }
  },
  "version": "2.0",
  "name": "Ocean Moon",
  "manifest_version": 2,
  "description": "The moon over the restless ocean"
}