Examine source code of Normal Photon

{
  "name": "Normal Photon",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "colors": {
      "tab_line": "#0a84ff",
      "tab_background_separator": "#ededf0",
      "tab_loading": "#0a84ff",
      "icons_attention": "#0a84ff",
      "ntp_background": "#f9f9fa",
      "ntp_text": "#0c0c0d",
      "toolbar": "#f9f9fa",
      "toolbar_top_separator": "#202340",
      "toolbar_bottom_separator": "#d7d7db",
      "toolbar_vertical_separator": "#d7d7db",
      "toolbar_field": "#ffffff",
      "toolbar_field_text": "#0c0c0d",
      "toolbar_field_border": "#d7d7db",
      "toolbar_field_separator": "#d7d7db",
      "toolbar_field_border_focus": "#0a84ff",
      "toolbar_field_focus": "#ffffff",
      "button_background_hover": "#ededf0",
      "button_background_active": "#d7d7db",
      "popup": "#ffffff",
      "popup_text": "#0c0c0d",
      "popup_highlight": "#ededf0",
      "popup_highlight_text": "#0c0c0d",
      "sidebar": "#ffffff",
      "sidebar_text": "#0c0c0d",
      "sidebar_border": "#d7d7db",
      "sidebar_highlight": "#ededf0",
      "sidebar_highlight_text": "#0c0c0d",
      "tab_background_text": "#f9f9fa",
      "frame": "#202340",
      "bookmark_text": "#0c0c0d"
    }
  }
}