Examine source code of Atom Electron Highlight

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Atom Electron Highlight",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(33, 40, 54)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(28, 33, 46)",
      "tab_background_text": "rgb(129, 140, 166)",
      "toolbar_field": "rgb(33, 40, 54)",
      "toolbar_field_text": "rgb(116, 140, 166)",
      "tab_line": "rgb(244, 71, 71)",
      "popup": "rgb(33, 40, 54)",
      "popup_text": "rgb(116, 140, 166)",
      "button_background_active": "rgb(59, 66, 80)",
      "button_background_hover": "rgb(59, 66, 80)",
      "icons_attention": "rgb(244, 71, 71)",
      "icons": "rgb(116, 140, 166)",
      "ntp_background": "rgb(33, 40, 54)",
      "ntp_text": "rgb(216, 216, 216)",
      "popup_border": "rgb(33, 40, 54)",
      "popup_highlight_text": "rgb(244, 71, 71)",
      "popup_highlight": "rgb(244, 71, 71)",
      "tab_loading": "rgb(244, 71, 71)",
      "toolbar_bottom_separator": "rgb(33, 40, 54)",
      "toolbar_field_border_focus": "rgb(244, 71, 71)",
      "toolbar_field_border": "rgb(33, 40, 54)",
      "toolbar_field_focus": "rgb(33, 40, 54)",
      "toolbar_field_highlight_text": "rgb(216, 216, 216)",
      "toolbar_field_highlight": "rgb(59, 66, 80)",
      "toolbar_field_separator": "rgb(28, 33, 46)",
      "toolbar_top_separator": "rgb(33, 40, 54)",
      "toolbar_vertical_separator": "rgb(28, 33, 46)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b678b4d8-e8b8-40a1-88a8-46e7cef52d29}"
    }
  }
}