Examine source code of FINAL FANTASY VII header

{
  "name": "FINAL FANTASY 7",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_3072 copy.jpeg"
    },
    "colors": {
      "frame": "rgba(254, 255, 255, 0.3)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(254, 255, 255, 0.84)",
      "toolbar_field": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7afd0762-222a-4c4c-90f0-4577ecabbc16}"
    }
  }
}