Examine source code of Sunset Over City FT

{
  "name": "Sunset Over City FT",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "SunsetovertheCityHcopyCustom.jpg"
    },
    "colors": {
      "frame": "rgba(46, 43, 43, 0.99)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(48, 45, 45, 0)",
      "bookmark_text": "rgba(255, 237, 237, 1)",
      "toolbar_field": "rgba(46, 43, 43, 0.12)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ceefc680-63c6-43ab-b043-209d872a797a}"
    }
  }
}