Examine source code of Tokyo Night

{
  "name": "Tokyo Night",
  "author": "ObsidianChickenz",
  "manifest_version": 2,
  "version": "1.0.0",
  "theme": {
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark"
    },
    "colors": {
      "bookmark_text": "#c0caf5",
      "button_background_active": "#c0caf520",
      "button_background_hover": "#c0caf510",
      "icons": "#c0caf5",
      "icons_attention": "#c0caf5",
      "frame": "#16161e",
      "frame_inactive": "#16161e",
      "ntp_background": "#1a1b26",
      "ntp_text": "#c0caf5",
      "popup": "#1a1b26",
      "popup_border": "#000000ff",
      "popup_highlight": "#7aa2f7",
      "popup_highlight_text": "#1a1b26",
      "popup_text": "#c0caf5",
      "sidebar": "#1a1b26",
      "sidebar_border": "#00000000",
      "sidebar_highlight": "#7aa2f7",
      "sidebar_highlight_text": "#1a1b26",
      "sidebar_text": "#c0caf5",
      "tab_background_text": "#c0caf5",
      "tab_line": "#7aa2f7",
      "tab_loading": "#c0caf5",
      "tab_selected": "#1a1b26",
      "tab_text": "#c0caf5",
      "toolbar": "#1a1b26",
      "toolbar_bottom_separator": "#7aa2f7",
      "toolbar_field": "#16161e",
      "toolbar_field_border": "#00000000",
      "toolbar_field_border_focus": "#00000000",
      "toolbar_field_focus": "#16161e",
      "toolbar_field_highlight": "#7aa2f7",
      "toolbar_field_highlight_text": "#1a1b26",
      "toolbar_field_text": "#c0caf5",
      "toolbar_field_text_focus": "#c0caf5",
      "toolbar_text": "#c0caf5",
      "toolbar_top_separator": "#7aa2f7",
      "toolbar_vertical_separator": "#00000000"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a9f470df-41a9-4da5-b09e-4594fcaa3106}"
    }
  }
}