Examine source code of Deep Ocean

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Deep Ocean",
  "description": "Dark teals and blues with bioluminescent accents",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "theme": {
    "colors": {
      "frame": "#0a1628",
      "frame_inactive": "#070f1a",
      "toolbar": "#1a2f4a",
      "toolbar_text": "#c8e6e8",
      "toolbar_field": "#243a5a",
      "toolbar_field_text": "#e8f8f8",
      "toolbar_field_border": "#20b2aa",
      "toolbar_bottom_separator": "#008b8b",
      "toolbar_vertical_separator": "#2a4a6a",
      "tab_background_text": "#7aa8b8",
      "tab_text": "#e8f8f8",
      "tab_selected": "#2a4a6a",
      "tab_line": "#00ced1",
      "tab_loading": "#40e0d0",
      "icons": "#48d1cc",
      "icons_attention": "#20b2aa",
      "button_background_active": "#008b8b",
      "button_background_hover": "#20b2aa",
      "sidebar": "#122440",
      "sidebar_text": "#c8e6e8",
      "sidebar_highlight": "#243a5a",
      "sidebar_highlight_text": "#e8f8f8"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b25d1a94-b7e9-42f9-9561-3f5f44a4d1d6}"
    }
  }
}