Examine source code of Nocturnal Silver

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Nocturnal SLVR",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(24, 26, 27)",
      "toolbar_text": "rgb(188, 188, 188)",
      "frame": "rgb(24, 26, 27)",
      "tab_background_text": "rgb(226, 226, 226)",
      "toolbar_field": "rgb(24, 26, 27)",
      "toolbar_field_text": "rgb(226, 226, 226)",
      "tab_line": "rgb(24, 26, 27)",
      "popup": "rgb(24, 26, 27)",
      "popup_text": "rgb(226, 226, 226)",
      "button_background_hover": "rgb(24, 26, 27)",
      "icons_attention": "rgb(245, 245, 245)",
      "icons": "rgb(188, 188, 188)",
      "ntp_background": "rgb(24, 26, 27)",
      "popup_border": "rgb(24, 26, 27)",
      "sidebar_highlight_text": "rgb(24, 26, 27)",
      "sidebar_highlight": "rgb(24, 26, 27)",
      "sidebar_text": "rgb(226, 226, 226)",
      "tab_background_separator": "rgb(24, 26, 27)",
      "tab_selected": "rgb(226, 226, 226)",
      "tab_text": "rgb(24, 26, 27)",
      "toolbar_bottom_separator": "rgb(24, 26, 27)",
      "toolbar_field_border_focus": "rgb(226, 226, 226)",
      "toolbar_field_border": "rgb(24, 26, 27)",
      "toolbar_field_highlight_text": "rgb(24, 26, 27)",
      "toolbar_field_highlight": "rgb(226, 226, 226)",
      "toolbar_field_separator": "rgb(24, 26, 27)",
      "toolbar_field_text_focus": "rgb(226, 226, 226)",
      "toolbar_top_separator": "rgb(24, 26, 27)",
      "toolbar_vertical_separator": "rgb(24, 26, 27)",
      "tab_loading": "rgb(24, 26, 27)"
    }
  }
}