Examine source code of Sisig

{
  "name": "Philippin",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Sisig10.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(196, 98, 98, 1)",
      "bookmark_text": "rgba(137, 172, 214, 1)",
      "tab_line": "rgba(235, 87, 87, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ba4fa38b-a37d-412f-a672-4cb6696f40d4}"
    }
  }
}