Examine source code of Gotham Coder

{
  "name": "Gotham Coder",
  "author": "Thadeu de Paula",
  "manifest_version": 2,
  "version": "1.1",
  "theme": {
    "colors": {
      "frame": "#0c1014",
      "frame_inactive": "#0c1014",
      "tab_text": "#599cab",
      "tab_background_text": "#245361",
      "tab_background_separator": "#0c1014",
      "tab_line": "#2aa889",
      "tab_loading": "#d26937",
      "icons_attention": "#d26937",
      "toolbar": "#171e28",
      "toolbar_top_separator": "#171e28",
      "toolbar_bottom_separator": "#171e28",
      "toolbar_vertical_separator": "#171e28",
      "toolbar_field": "#0c1014",
      "toolbar_field_text": "#599cab",
      "toolbar_field_border": "#0c1014",
      "toolbar_field_separator": "#000000",
      "toolbar_field_highlight": "#599cab",
      "toolbar_field_highlight_text": "#0c1014",
      "toolbar_field_focus": "#000000",
      "toolbar_field_border_focus": "#0c1014",
      "icons": "#2aa889",
      "bookmark_text": "#888ca6",
      "popup": "#000000",
      "popup_text": "#a6abcb",
      "popup_border": "#ff0000",
      "popup_highlight": "#2aa889",
      "popup_highlight_text": "#0c1014",
      "ntp_background": "#0c1014",
      "ntp_text": "#888ca6",
      "sidebar": "#171e28",
      "sidebar_text": "#888ca6",
      "sidebar_border": "#4e5166",
      "sidebar_highlight": "#21252b",
      "sidebar_highlight_text": "#a6abcb",
      "sidebar_field": "#0c1014",
      "button_background_active": "#000000",
      "button_background_hover": "#0c1014"
    }
  }
}