Examine source code of Neon Amethyst

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Neon Amethyst 1.2",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(15, 15, 15)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(215, 215, 215)",
      "toolbar_field": "rgba(50, 50, 50, 0.94)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(160, 0, 255)",
      "popup": "rgb(50, 50, 50)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(31, 0, 50)",
      "button_background_hover": "rgb(70, 70, 70)",
      "icons": "rgb(160, 0, 255)",
      "ntp_background": "rgb(31, 0, 50)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(160, 0, 255)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(160, 0, 255)",
      "sidebar_border": "rgb(160, 0, 255)",
      "sidebar_highlight_text": "rgb(160, 0, 255)",
      "sidebar_highlight": "rgb(0, 190, 255)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(15, 15, 15)",
      "toolbar_bottom_separator": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgb(160, 0, 255)",
      "toolbar_field_border": "rgb(160, 0, 255)",
      "toolbar_field_focus": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(160, 0, 255)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "tab_loading": "rgb(160, 0, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{92fc2ed6-048d-42aa-9716-0d0cea3a90c0}"
    }
  }
}