Changed name of apptheme.dart

lib/utility/custom_theme.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/cupertino.dart';
+
+class CustomTheme {
+  static Color white = CupertinoColors.white;
+  static Color primaryColor = CupertinoColors.systemGreen;
+  static Color backgroundColor = const Color(0xFF101010);
+  static Color backgroundTintColor = CupertinoColors.darkBackgroundGray;
+
+  static TextStyle modeTitle = TextStyle(
+    color: primaryColor,
+    fontSize: 20,
+    fontWeight: FontWeight.bold,
+  );
+
+  static const TextStyle modeDescription = TextStyle(
+    fontSize: 16,
+  );
+
+  static TextStyle createGameTitle = TextStyle(
+    fontSize: 20,
+    color: primaryColor,
+    fontWeight: FontWeight.bold,
+  );
+
+  static TextStyle roundTitle = TextStyle(
+    fontSize: 60,
+    color: white,
+    fontWeight: FontWeight.bold,
+  );
+
+  static TextStyle roundPlayers = TextStyle(
+    fontSize: 20,
+    color: white,
+    fontWeight: FontWeight.bold,
+  );
+}