Examine source code of Hunter X Hunter 2

{
  "name": "Hunter X Hunter",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "biss.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(247, 22, 240, 1)",
      "toolbar": "rgba(242, 12, 200, 1)",
      "bookmark_text": "rgba(18, 235, 224, 1)",
      "toolbar_field": "rgba(22, 247, 198, 1)",
      "toolbar_field_text": "rgba(252, 5, 215, 1)",
      "tab_line": "rgba(250, 3, 176, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0fef7220-7b52-4851-b85e-eb5518ee22b8}"
    }
  }
}