Examine source code of Vintage Light Theme

{
  "manifest_version": 2,
  "version": "1.3",
  "name": "Vintage",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(190, 198, 160)",
      "toolbar_text": "rgb(128, 0, 0)",
      "frame": "rgb(188, 159, 139)",
      "tab_background_text": "rgb(128, 0, 0)",
      "toolbar_field": "rgb(188, 159, 139)",
      "toolbar_field_text": "rgb(128, 0, 0)",
      "tab_line": "rgb(128, 0, 0)",
      "popup": "rgb(190, 198, 160)",
      "popup_text": "rgb(128, 0, 0)",
      "icons_attention": "rgb(220, 20, 60)",
      "ntp_background": "rgb(210, 178, 155)",
      "ntp_text": "rgb(128, 0, 0)",
      "popup_border": "rgb(128, 0, 0)",
      "popup_highlight_text": "rgb(224, 204, 190)",
      "popup_highlight": "rgb(211, 118, 118)",
      "sidebar_border": "rgb(190, 198, 160)",
      "sidebar_highlight_text": "rgb(224, 204, 190)",
      "sidebar_highlight": "rgb(211, 118, 118)",
      "sidebar_text": "rgb(128, 0, 0)",
      "sidebar": "rgb(188, 159, 139)",
      "tab_loading": "rgb(220, 20, 60)",
      "tab_selected": "rgb(190, 198, 160)",
      "tab_text": "rgb(128, 0, 0)",
      "toolbar_field_border_focus": "rgb(128, 0, 0)",
      "toolbar_field_highlight_text": "rgb(224, 204, 190)",
      "toolbar_field_highlight": "rgb(211, 118, 118)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7a51f09-d5ac-4c97-9c2c-e4cccfe71048}"
    }
  }
}