Examine source code of Black & White Brave

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Black & White Brave",
  "theme": {
    "colors": {
      "accentcolor": "#000",
      "tab_text": "#000",
      "frame": "black",
      "toolbar": "#fefefe",
      "toolbar_text": "#666",
      "bookmark_text": "#fff",
      "tab_background_text": "#999",
      "toolbar_bottom_separator": "#eee",
      "toolbar_field": "#fff",
      "toolbar_field_border_focus": "#999",
      "toolbar_field_text": "#333",
      "toolbar_field_highlight": "#fff",
      "toolbar_field_highlight_text": "#f60"
    }
  }
}