add classes for font icon styling

src/noggit/ui/font_awesome.cpp

@@ -32,7 +32,7 @@ namespace noggit
     {
     painter->save();
       {
-        QWidget* temp_btn = new QWidget();
+        auto temp_btn = new font_awesome_button_style();
 
         temp_btn->ensurePolished();
 

src/noggit/ui/font_awesome.hpp

@@ -973,6 +973,12 @@ namespace noggit
       };
     };
 
+    class font_awesome_button_style : public QWidget
+    {
+    public:
+      font_awesome_button_style(QWidget* parent = nullptr) : QWidget(parent) {};
+    };
+
     class font_awesome_icon : public QIcon
     {
     public:

src/noggit/ui/font_noggit.cpp

@@ -33,7 +33,7 @@ namespace noggit
       {
         painter->save();
         {
-          auto temp_btn = new QWidget();
+          auto temp_btn = new font_noggit_button_style();
 
           temp_btn->ensurePolished();
 

src/noggit/ui/font_noggit.hpp

@@ -105,6 +105,12 @@ namespace noggit
       };
     };
 
+    class font_noggit_button_style : public QWidget
+    {
+    public:
+      font_noggit_button_style(QWidget* parent = nullptr) : QWidget(parent) {};
+    };
+
     class font_noggit_icon : public QIcon
     {
     public: