Examine source code of Game Tradition

{
  "manifest_version": 2,
  "name": "Rocky Top Tradition",
  "version": "1.0.1",
  "description": "A dark, readable orange-and-charcoal checkerboard Firefox theme with classic game-day styling. Unofficial fan-made theme; not affiliated with or endorsed by any university or athletic organization.",
  "author": "Jennifer Barrett",
  "icons": {
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "theme": {
    "images": {
      "theme_frame": "images/theme-header.png"
    },
    "colors": {
      "frame": "#0B0B0C",
      "frame_inactive": "#151515",
      "tab_background_text": "#FFFFFF",
      "tab_loading": "#FF8200",
      "tab_selected": "#F7F7F7",
      "tab_text": "#141414",
      "tab_line": "#FF8200",
      "toolbar": "#151515",
      "toolbar_text": "#FFFFFF",
      "toolbar_field": "#0E0E0F",
      "toolbar_field_text": "#FFFFFF",
      "toolbar_field_border": "#3A3A3A",
      "toolbar_field_focus": "#111111",
      "toolbar_field_text_focus": "#FFFFFF",
      "toolbar_field_border_focus": "#FF8200",
      "toolbar_top_separator": "#FF8200",
      "toolbar_bottom_separator": "#2E2E2E",
      "icons": "#FFFFFF",
      "icons_attention": "#FF8200",
      "button_background_hover": "#2E2E2E",
      "button_background_active": "#FF8200",
      "popup": "#151515",
      "popup_text": "#FFFFFF",
      "popup_border": "#2E2E2E",
      "popup_highlight": "#FF8200",
      "popup_highlight_text": "#111111",
      "bookmark_text": "#FFFFFF",
      "sidebar": "#151515",
      "sidebar_text": "#FFFFFF",
      "sidebar_border": "#FF8200",
      "ntp_background": "#0B0B0C",
      "ntp_text": "#FFFFFF"
    },
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark",
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rocky-top-tradition@jennifer-barrett",
      "strict_min_version": "91.0"
    }
  }
}