Examine source code of Cygnus

{
  "manifest_version": 2,
  "version": "0.1",
  "name": "Cygnus",
  "theme": {
    "colors": {
      "frame": "#121219",
      "frame_inactive": "#222229",
      "icons": "#9A9098",
      "icons_attention": "#F01A77",
      "tab_text": "#E4F1EA",
      "tab_background_text": "#9A9098",
      "tab_line": "#1AF095",
      "tab_background_separator": "#1d1d28",
      "toolbar": "#1d1d28",
      "toolbar_top_separator": "#121219",
      "toolbar_bottom_separator": "#121219",
      "toolbar_field": "#121219",
      "toolbar_field_text": "#E4F1EA",
      "toolbar_field_separator": "#E4F1EA",
      "toolbar_field_text_focus": "#1a75f0",
      "toolbar_field_highlight": "#1a75f0",
      "toolbar_field_border_focus": "#1a75f0",
      "bookmark_text": "#E4F1EA",
      "ntp_background": "#121219",
      "ntp_text": "#E4F1EA",
      "sidebar": "#121219",
      "sidebar_border": "#1d1d28",
      "sidebar_text": "#E4F1EA",
      "popup": "#121219",
      "popup_border": "#1d1d28",
      "popup_text": "#E4F1EA",
      "popup_highlight": "#1d1d28"
    }
  }
}