Prepared to rework and refactor.

main.cpp

@@ -194,7 +194,7 @@ int main() {
   sf::Text text;
   text.setFont(font);
   text.setCharacterSize(30);
-  text.setFillColor(VALUES[size_t(Value::LIGHT_LIGHT)]);
+  text.setFillColor(VALUES[size_t(Value::LIGHT_DARK)]);
 
   while(window.isOpen()) {
     Render(screen, document->Render());