Examine source code of Rapture Dark Theme

{
  "manifest_version": 2,
  "version": "1.3",
  "name": "Rapture",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(35, 55, 73)",
      "toolbar_text": "rgb(100, 224, 255)",
      "frame": "rgb(17, 30, 42)",
      "tab_background_text": "rgb(100, 224, 255)",
      "toolbar_field": "rgb(17, 30, 42)",
      "toolbar_field_text": "rgb(192, 201, 229)",
      "tab_line": "rgb(122, 253, 225)",
      "popup": "rgb(35, 55, 73)",
      "popup_text": "rgb(100, 224, 255)",
      "icons_attention": "rgb(255, 240, 155)",
      "ntp_background": "rgb(22, 39, 54)",
      "ntp_text": "rgb(192, 201, 229)",
      "popup_border": "rgb(122, 253, 225)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(108, 155, 245)",
      "sidebar_border": "rgb(35, 55, 73)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(108, 155, 245)",
      "sidebar_text": "rgb(192, 201, 229)",
      "sidebar": "rgb(17, 30, 42)",
      "tab_loading": "rgb(255, 240, 155)",
      "tab_selected": "rgb(35, 55, 73)",
      "tab_text": "rgb(100, 224, 255)",
      "toolbar_bottom_separator": "rgb(35, 55, 73)",
      "toolbar_field_border_focus": "rgb(122, 253, 225)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(108, 155, 245)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{092b7b57-563d-484e-b997-bc4a6110949c}"
    }
  }
}