Examine source code of Dispurple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dispurple",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(26, 21, 35)",
      "toolbar_text": "rgb(115, 105, 134)",
      "frame": "rgb(24, 20, 34)",
      "tab_background_text": "rgb(170, 168, 201)",
      "toolbar_field": "rgb(24, 16, 32)",
      "toolbar_field_text": "rgb(187, 171, 200)",
      "tab_line": "rgb(157, 151, 255)",
      "popup": "rgb(24, 16, 32)",
      "popup_text": "rgb(224, 220, 232)",
      "button_background_active": "rgb(52, 32, 73)",
      "button_background_hover": "rgb(49, 36, 62)",
      "icons_attention": "rgba(150, 68, 232, 0)",
      "icons": "rgb(122, 108, 147)",
      "ntp_background": "rgb(26, 22, 38)",
      "ntp_text": "rgb(146, 139, 171)",
      "popup_border": "rgb(71, 67, 89)",
      "popup_highlight_text": "rgb(156, 148, 189)",
      "popup_highlight": "rgb(46, 38, 62)",
      "sidebar_border": "rgba(61, 58, 69, 0)",
      "sidebar_highlight_text": "rgb(232, 230, 239)",
      "sidebar_highlight": "rgb(44, 37, 61)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(28, 24, 38)",
      "tab_loading": "rgb(157, 151, 255)",
      "tab_selected": "rgba(82, 58, 106, 0)",
      "tab_text": "rgb(109, 86, 206)",
      "toolbar_field_border_focus": "rgb(140, 135, 234)",
      "toolbar_field_border": "rgb(53, 49, 91)",
      "toolbar_field_focus": "rgb(24, 16, 32)",
      "toolbar_field_highlight_text": "rgb(157, 151, 255)",
      "toolbar_field_highlight": "rgb(61, 51, 96)",
      "toolbar_field_separator": "rgb(143, 34, 250)",
      "toolbar_field_text_focus": "rgb(232, 230, 239)",
      "toolbar_top_separator": "rgba(80, 55, 106, 0)",
      "toolbar_vertical_separator": "rgba(122, 0, 244, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3856e58d-db48-4544-ba78-15692f79a458}"
    }
  }
}