implemented first version of the round view

lib/utility/styles.dart

@@ -2,6 +2,7 @@ import 'package:flutter/cupertino.dart';
 
 abstract class Styles {
   static Color primaryColor = CupertinoColors.systemGreen;
+  static Color backgroundColor = Color(0x00014b00);
 
   static TextStyle modeTitle = TextStyle(
     color: primaryColor,
@@ -18,4 +19,16 @@ abstract class Styles {
     color: primaryColor,
     fontWeight: FontWeight.bold,
   );
+
+  static TextStyle roundTitle = TextStyle(
+    fontSize: 60,
+    color: CupertinoColors.white,
+    fontWeight: FontWeight.bold,
+  );
+
+  static TextStyle roundPlayers = TextStyle(
+    fontSize: 20,
+    color: CupertinoColors.white,
+    fontWeight: FontWeight.bold,
+  );
 }