Examine source code of Brave Light

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Brave Light",
  "theme": {
    "colors": {
      "toolbar": "#f3f3f3",
      "tab_line": "#f3f3f3",
      "tab_text": "#383839",
      "bookmark_text": "#424242",
      "frame": "#d5d9dc",
      "frame_inactive": "#dde1e3",
      "tab_background_text": "#3a3a3b",
      "toolbar_field": "#ffffff",
      "toolbar_field_text": "#424242",
      "toolbar_field_text_focus": "#424242",
      "toolbar_field_focus": "#ffffff",
      "toolbar_field_border": "#ffffff",
      "toolbar_field_border_focus": "#fdbaaa",
      "toolbar_field_highlight": "#aecbfa",
      "toolbar_field_highlight_text": "#000000",
      "toolbar_field_separator": "#b2b5b7",
      "toolbar_text": "#424242",
      "toolbar_top_separator": "#f3f3f3",
      "toolbar_bottom_separator": "#d5d9dc",
      "toolbar_vertical_separator": "#f3f3f3",
      "popup": "#ffffff",
      "popup_text": "#3b3e4f",
      "popup_border": "#b3b3b3",
      "popup_highlight": "#dbdbdc",
      "popup_highlight_text": "#000000",
      "tab_loading": "#d75526",
      "tab_selected": "#f3f3f3",
      "sidebar": "#ffffff",
      "sidebar_highlight": "#c8c8c9",
      "sidebar_highlight_text": "#000000",
      "sidebar_text": "#3b3e4f",
      "sidebar_border": "#dadce0",
      "button_background_active": "#d6d6d6",
      "button_background_hover": "#e2e2e2",
      "icons": "#424242",
      "icons_attention": "#ff4724",
      "ntp_background": "#f1f3f5",
      "ntp_link": "#3b3e4f",
      "ntp_text": "#3b3e4f"
    }
  }
}