Trying a bit of color changes.

gui/map_view.cpp

@@ -20,7 +20,7 @@ namespace gui {
     $level(level),
     $map_render(std::make_shared<sf::RenderTexture>()),
     $map_sprite($map_render->getTexture()),
-    $map_tiles(matrix::make(12,11)),
+    $map_tiles(matrix::make(12,10)),
     $paper(textures::get("full_screen_paper"))
   {
   }