===================================================================
--- original.js
+++ change.js
@@ -1,58 +1,58 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Cactus class
 var Cactus = Container.expand(function () {
-  var self = Container.call(this);
-  var cactusGraphics = self.attachAsset('cactus', {
-    anchorX: 0.5,
-    anchorY: 1.0
-  });
-  self.speed = -5;
-  self.move = function () {
-    self.x += self.speed;
-  };
+	var self = Container.call(this);
+	var cactusGraphics = self.attachAsset('cactus', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.speed = -5;
+	self.move = function () {
+		self.x += self.speed;
+	};
 });
 // Assets will be automatically created based on usage in the code.
 // Dinosaur class
 var Dinosaur = Container.expand(function () {
-  var self = Container.call(this);
-  var dinosaurGraphics = self.attachAsset('dinosaur', {
-    anchorX: 0.5,
-    anchorY: 1.0
-  });
-  self.isJumping = false;
-  self.jumpSpeed = 0;
-  self.gravity = 0.5;
-  self.jump = function () {
-    if (!self.isJumping) {
-      self.isJumping = true;
-      self.jumpSpeed = -15;
-    }
-  };
-  self.update = function () {
-    if (self.isJumping) {
-      self.y += self.jumpSpeed;
-      self.jumpSpeed += self.gravity;
-      if (self.y > game.floorLevel) {
-        self.y = game.floorLevel;
-        self.isJumping = false;
-      }
-    }
-  };
+	var self = Container.call(this);
+	var dinosaurGraphics = self.attachAsset('dinosaur', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.isJumping = false;
+	self.jumpSpeed = 0;
+	self.gravity = 0.5;
+	self.jump = function () {
+		if (!self.isJumping) {
+			self.isJumping = true;
+			self.jumpSpeed = -15;
+		}
+	};
+	self.update = function () {
+		if (self.isJumping) {
+			self.y += self.jumpSpeed;
+			self.jumpSpeed += self.gravity;
+			if (self.y > game.floorLevel) {
+				self.y = game.floorLevel;
+				self.isJumping = false;
+			}
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background 
+	backgroundColor: 0xFFFFFF // Init game with white background
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Global variables
 game.floorLevel = 2732 - 200; // Assuming floor is 200px from the bottom
 game.dinosaur = game.addChild(new Dinosaur());
 game.dinosaur.x = 400;
@@ -61,51 +61,51 @@
 game.score = 0;
 game.isGameOver = false;
 // Touch event to make the dinosaur jump
 game.on('down', function () {
-  if (!game.isGameOver) {
-    game.dinosaur.jump();
-  }
+	if (!game.isGameOver) {
+		game.dinosaur.jump();
+	}
 });
 // Game tick event
 LK.on('tick', function () {
-  if (!game.isGameOver) {
-    game.dinosaur.update();
-    // Move cactuses and check for collisions
-    for (var i = game.cactuses.length - 1; i >= 0; i--) {
-      var cactus = game.cactuses[i];
-      cactus.move();
-      // Check if cactus is off screen
-      if (cactus.x < -100) {
-        // Assuming cactus width is less than 100px
-        cactus.destroy();
-        game.cactuses.splice(i, 1);
-        game.score++;
-      }
-      // Check for collision
-      if (game.dinosaur.intersects(cactus)) {
-        game.isGameOver = true;
-        LK.showGameOver();
-      }
-    }
-    // Spawn cactus
-    if (LK.ticks % 120 == 0) {
-      // Spawn a cactus every 2 seconds
-      var newCactus = new Cactus();
-      newCactus.x = 2048; // Start from the right edge
-      newCactus.y = game.floorLevel;
-      game.cactuses.push(newCactus);
-      game.addChild(newCactus);
-    }
-  }
+	if (!game.isGameOver) {
+		game.dinosaur.update();
+		// Move cactuses and check for collisions
+		for (var i = game.cactuses.length - 1; i >= 0; i--) {
+			var cactus = game.cactuses[i];
+			cactus.move();
+			// Check if cactus is off screen
+			if (cactus.x < -100) {
+				// Assuming cactus width is less than 100px
+				cactus.destroy();
+				game.cactuses.splice(i, 1);
+				game.score++;
+			}
+			// Check for collision
+			if (game.dinosaur.intersects(cactus)) {
+				game.isGameOver = true;
+				LK.showGameOver();
+			}
+		}
+		// Spawn cactus
+		if (LK.ticks % 120 == 0) {
+			// Spawn a cactus every 2 seconds
+			var newCactus = new Cactus();
+			newCactus.x = 2048; // Start from the right edge
+			newCactus.y = game.floorLevel;
+			game.cactuses.push(newCactus);
+			game.addChild(newCactus);
+		}
+	}
 });
 // Display score
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Update score display
 LK.on('tick', function () {
-  scoreTxt.setText("Score: " + game.score);
+	scoreTxt.setText("Score: " + game.score);
 });
\ No newline at end of file