set vertical alignment

src/app/browser/header/main.cpp

@@ -10,6 +10,10 @@ Main::Main()
         Gtk::Orientation::VERTICAL
     );
 
+    set_homogeneous(
+        true
+    );
+
     // Init title
     title = new main::Title();
 

src/app/browser/header/main/title.cpp

@@ -16,6 +16,10 @@ Title::Title()
         Pango::EllipsizeMode::END
     );
 
+    set_valign(
+        Gtk::Align::CENTER
+    );
+
     set_width_chars(
         WIDTH_CHARS
     );

src/app/browser/header/main/title.hpp

@@ -2,6 +2,7 @@
 #define APP_BROWSER_HEADER_MAIN_TITLE_HPP
 
 #include <glibmm/ustring.h>
+#include <gtkmm/enums.h>
 #include <gtkmm/label.h>
 #include <pangomm/layout.h>