diff --git a/ChangingBackground.xcodeproj/project.pbxproj b/ChangingBackground.xcodeproj/project.pbxproj
index 2e16be1..96d76f5 100644
--- a/ChangingBackground.xcodeproj/project.pbxproj
+++ b/ChangingBackground.xcodeproj/project.pbxproj
@@ -24,6 +24,9 @@
 		001809EC171C6764002D3E93 /* blue@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 001809E8171C6764002D3E93 /* blue@2x.png */; };
 		001809ED171C6764002D3E93 /* green.png in Resources */ = {isa = PBXBuildFile; fileRef = 001809E9171C6764002D3E93 /* green.png */; };
 		001809EE171C6764002D3E93 /* green@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 001809EA171C6764002D3E93 /* green@2x.png */; };
+		D1A9332D191AD3FB00104BD3 /* BackgroundView.m in Sources */ = {isa = PBXBuildFile; fileRef = D1A9332C191AD3FB00104BD3 /* BackgroundView.m */; };
+		D1A9332F191AF7E600104BD3 /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D1A9332E191AF7E600104BD3 /* QuartzCore.framework */; };
+		D1DD5F3E191C71B300340540 /* CustomButton.m in Sources */ = {isa = PBXBuildFile; fileRef = D1DD5F3D191C71B300340540 /* CustomButton.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -50,6 +53,11 @@
 		001809E8171C6764002D3E93 /* blue@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "blue@2x.png"; sourceTree = "<group>"; };
 		001809E9171C6764002D3E93 /* green.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = green.png; sourceTree = "<group>"; };
 		001809EA171C6764002D3E93 /* green@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "green@2x.png"; sourceTree = "<group>"; };
+		D1A9332B191AD3FB00104BD3 /* BackgroundView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BackgroundView.h; sourceTree = "<group>"; };
+		D1A9332C191AD3FB00104BD3 /* BackgroundView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BackgroundView.m; sourceTree = "<group>"; };
+		D1A9332E191AF7E600104BD3 /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
+		D1DD5F3C191C71B300340540 /* CustomButton.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CustomButton.h; sourceTree = "<group>"; };
+		D1DD5F3D191C71B300340540 /* CustomButton.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CustomButton.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -57,6 +65,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D1A9332F191AF7E600104BD3 /* QuartzCore.framework in Frameworks */,
 				001809B9171C637E002D3E93 /* UIKit.framework in Frameworks */,
 				001809BB171C637E002D3E93 /* Foundation.framework in Frameworks */,
 				001809BD171C637E002D3E93 /* CoreGraphics.framework in Frameworks */,
@@ -86,6 +95,7 @@
 		001809B7171C637E002D3E93 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				D1A9332E191AF7E600104BD3 /* QuartzCore.framework */,
 				001809B8171C637E002D3E93 /* UIKit.framework */,
 				001809BA171C637E002D3E93 /* Foundation.framework */,
 				001809BC171C637E002D3E93 /* CoreGraphics.framework */,
@@ -96,6 +106,10 @@
 		001809BE171C637E002D3E93 /* ChangingBackground */ = {
 			isa = PBXGroup;
 			children = (
+				D1A9332B191AD3FB00104BD3 /* BackgroundView.h */,
+				D1A9332C191AD3FB00104BD3 /* BackgroundView.m */,
+				D1DD5F3C191C71B300340540 /* CustomButton.h */,
+				D1DD5F3D191C71B300340540 /* CustomButton.m */,
 				001809EF171C6768002D3E93 /* BackgroundImages */,
 				001809D5171C63FC002D3E93 /* AppDelegate */,
 				001809DC171C6453002D3E93 /* ViewControllers */,
@@ -238,9 +252,11 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D1DD5F3E191C71B300340540 /* CustomButton.m in Sources */,
 				001809C5171C637E002D3E93 /* main.m in Sources */,
 				001809C9171C637E002D3E93 /* AppDelegate.m in Sources */,
 				001809D9171C6448002D3E93 /* FirstViewController.m in Sources */,
+				D1A9332D191AD3FB00104BD3 /* BackgroundView.m in Sources */,
 				001809E0171C64E4002D3E93 /* SecondViewController.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -356,6 +372,7 @@
 				001809D4171C637E002D3E93 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};
diff --git a/ChangingBackground/BackgroundView.h b/ChangingBackground/BackgroundView.h
new file mode 100644
index 0000000..7915066
--- /dev/null
+++ b/ChangingBackground/BackgroundView.h
@@ -0,0 +1,18 @@
+//
+//  BackgroundImage.h
+//  ChangingBackground
+//
+//  Created by Siddharth Sukumar on 5/7/14.
+//  Copyright (c) 2014 Ora Interactive. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface BackgroundView : UIView
+
+@property (nonatomic, strong) UIImage *backgroundImage;
+
+- (void) animatingTheForegroundImageWithImage : (UIImage *) image;
+
+
+@end
diff --git a/ChangingBackground/BackgroundView.m b/ChangingBackground/BackgroundView.m
new file mode 100644
index 0000000..2efcabb
--- /dev/null
+++ b/ChangingBackground/BackgroundView.m
@@ -0,0 +1,69 @@
+//
+//  BackgroundImage.m
+//  ChangingBackground
+//
+//  Created by Siddharth Sukumar on 5/7/14.
+//  Copyright (c) 2014 Ora Interactive. All rights reserved.
+//
+
+#import "BackgroundView.h"
+#import <QuartzCore/QuartzCore.h>
+
+
+@interface BackgroundView ()
+@property (strong, nonatomic) UIImageView *imageView;
+
+@end
+
+@implementation BackgroundView
+
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+
+    self = [super initWithCoder:aDecoder];
+    if (self){
+
+        NSArray *subViews = [self subviews];
+
+        id firstObject = subViews[0];
+
+        self.imageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 320, 520)];
+
+        [self insertSubview:self.imageView belowSubview:firstObject];
+
+    }
+    return self;
+    
+}
+
+
+- (void) animatingTheForegroundImageWithImage : (UIImage *) image {
+
+    self.imageView.image = image;
+
+    CABasicAnimation *theAnimation;
+
+    //within the animation we will adjust the "opacity"value of the layer
+
+    theAnimation=[CABasicAnimation animationWithKeyPath:@"opacity"];
+    theAnimation.duration=2;
+
+    //changing the opacity (1=fully visible, 0=unvisible)
+
+    theAnimation.fromValue=[NSNumber numberWithFloat:0.0];
+    theAnimation.toValue=[NSNumber numberWithFloat:1.0];
+
+    [self.imageView.layer addAnimation:theAnimation
+                                forKey:@"animateOpacity"];
+
+}
+
+- (void) drawRect:(CGRect)rect {
+
+    [super drawRect:rect];
+
+    [self.backgroundImage drawInRect:rect];
+
+}
+
+@end
diff --git a/ChangingBackground/CustomButton.h b/ChangingBackground/CustomButton.h
new file mode 100644
index 0000000..28de33b
--- /dev/null
+++ b/ChangingBackground/CustomButton.h
@@ -0,0 +1,18 @@
+//
+//  CustomButton.h
+//  ChangingBackground
+//
+//  Created by Siddharth Sukumar on 5/8/14.
+//  Copyright (c) 2014 Ora Interactive. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface CustomButton : UIButton
+
+
+- (void) indicatingItIsTheFirstViewControler;
+- (void) indicatingItIsTheSecondViewController;
+
+
+@end
diff --git a/ChangingBackground/CustomButton.m b/ChangingBackground/CustomButton.m
new file mode 100644
index 0000000..2b0e263
--- /dev/null
+++ b/ChangingBackground/CustomButton.m
@@ -0,0 +1,92 @@
+//
+//  CustomButton.m
+//  ChangingBackground
+//
+//  Created by Siddharth Sukumar on 5/8/14.
+//  Copyright (c) 2014 Ora Interactive. All rights reserved.
+//
+
+#import "CustomButton.h"
+
+@interface CustomButton()
+
+@property  BOOL itIsTheFirstViewController;
+@property  BOOL itIsTheSecondViewController;
+
+@end
+
+@implementation CustomButton
+
+- (id)initWithFrame:(CGRect)frame
+{
+    self = [super initWithFrame:frame];
+    if (self) {
+        // Initialization code
+    }
+    return self;
+}
+
+- (void) setHighlighted:(BOOL)highlighted {
+    [super setHighlighted:highlighted];
+    [self setNeedsDisplay];
+
+
+}
+
+- (void) indicatingItIsTheFirstViewControler {
+
+    self.itIsTheFirstViewController = YES;
+    self.itIsTheSecondViewController = NO;
+
+
+}
+- (void) indicatingItIsTheSecondViewController {
+
+    self.itIsTheSecondViewController = YES;
+    self.itIsTheFirstViewController = NO;
+
+
+}
+
+
+
+
+- (void) drawRect:(CGRect)rect {
+
+    [super drawRect:rect];
+    if (self.highlighted){
+
+        // Color Declarations
+        UIColor* color2 = [UIColor colorWithRed: 0 green: 0.629 blue: 1 alpha: 1];
+
+        // Rectangle Drawing
+        UIBezierPath* rectanglePath = [UIBezierPath bezierPathWithRect: rect];
+        [color2 setFill];
+        [rectanglePath fill];
+
+
+        // Text Drawing
+        CGRect textRect = CGRectMake(64, 53, 102, 12);
+        {
+            NSString* textContent;
+
+            if (self.itIsTheFirstViewController) {
+                textContent = @"Go Forward";
+
+            } else {
+                textContent = @"Go Back";
+
+
+            }
+            NSMutableParagraphStyle* textStyle = NSMutableParagraphStyle.defaultParagraphStyle.mutableCopy;
+            textStyle.alignment = NSTextAlignmentCenter;
+
+            NSDictionary* textFontAttributes = @{NSFontAttributeName: [UIFont fontWithName: @"Arial-BoldMT" size: UIFont.systemFontSize], NSForegroundColorAttributeName: UIColor.whiteColor, NSParagraphStyleAttributeName: textStyle};
+
+            [textContent drawInRect: CGRectOffset(textRect, 0, (CGRectGetHeight(textRect) - [textContent boundingRectWithSize: textRect.size options: NSStringDrawingUsesLineFragmentOrigin attributes: textFontAttributes context: nil].size.height) / 2) withAttributes: textFontAttributes];
+            
+        }
+
+    }
+}
+@end
diff --git a/ChangingBackground/FirstViewController.m b/ChangingBackground/FirstViewController.m
index 8aedb68..78d0f8b 100644
--- a/ChangingBackground/FirstViewController.m
+++ b/ChangingBackground/FirstViewController.m
@@ -8,16 +8,42 @@
 
 #import "FirstViewController.h"
 #import "SecondViewController.h"
+#import "BackgroundView.h"
+#import "CustomButton.h"
 
 @interface FirstViewController ()
+@property (strong, nonatomic) IBOutlet BackgroundView *myView;
+@property (strong, nonatomic) IBOutlet CustomButton *goForwardButton;
 
 @end
 
 @implementation FirstViewController
 
+- (void)viewWillAppear:(BOOL)animated {
+
+    [super viewWillAppear:YES];
+
+    self.myView.backgroundImage = [UIImage imageNamed:@"green"];
+
+    [self.goForwardButton indicatingItIsTheFirstViewControler];
+    
+    // making the corners of the button round
+
+    self.goForwardButton.layer.cornerRadius = 10.0;
+    self.goForwardButton.clipsToBounds = YES;
+    self.goForwardButton.showsTouchWhenHighlighted = YES;
+    [self.goForwardButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
+
+    [self.myView animatingTheForegroundImageWithImage:[UIImage imageNamed:@"blue"]];
+    
+}
+
+
 - (IBAction)goForwardButtonPressed {
     SecondViewController *secondViewController = SecondViewController.new;
     [self.navigationController pushViewController:secondViewController animated:YES];
+
 }
 
 @end
+
diff --git a/ChangingBackground/FirstViewController.xib b/ChangingBackground/FirstViewController.xib
index 0dd58c2..e60a5d3 100644
--- a/ChangingBackground/FirstViewController.xib
+++ b/ChangingBackground/FirstViewController.xib
@@ -1,217 +1,45 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
-	<data>
-		<int key="IBDocument.SystemTarget">1552</int>
-		<string key="IBDocument.SystemVersion">12C3006</string>
-		<string key="IBDocument.InterfaceBuilderVersion">3084</string>
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-		<string key="IBDocument.HIToolboxVersion">625.00</string>
-		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
-			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-			<string key="NS.object.0">2083</string>
-		</object>
-		<array key="IBDocument.IntegratedClassDependencies">
-			<string>IBProxyObject</string>
-			<string>IBUIButton</string>
-			<string>IBUILabel</string>
-			<string>IBUIView</string>
-		</array>
-		<array key="IBDocument.PluginDependencies">
-			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-		</array>
-		<object class="NSMutableDictionary" key="IBDocument.Metadata">
-			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
-			<integer value="1" key="NS.object.0"/>
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-		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
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-				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
-				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-			</object>
-			<object class="IBProxyObject" id="975951072">
-				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
-				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-			</object>
-			<object class="IBUIView" id="191373211">
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-				<array class="NSMutableArray" key="NSSubviews">
-					<object class="IBUILabel" id="706097280">
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-						<bool key="IBUIOpaque">NO</bool>
-						<bool key="IBUIClipsSubviews">YES</bool>
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-						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-						<string key="IBUIText">Home View Controller</string>
-						<object class="NSColor" key="IBUITextColor">
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-							<string key="IBUIColorCocoaTouchKeyPath">darkTextColor</string>
-						</object>
-						<nil key="IBUIHighlightedColor"/>
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-						<object class="IBUIFontDescription" key="IBUIFontDescription">
-							<int key="type">1</int>
-							<double key="pointSize">17</double>
-						</object>
-						<object class="NSFont" key="IBUIFont">
-							<string key="NSName">Helvetica</string>
-							<double key="NSSize">17</double>
-							<int key="NSfFlags">16</int>
-						</object>
-						<bool key="IBUIAdjustsFontSizeToFit">NO</bool>
-					</object>
-					<object class="IBUIButton" id="545115536">
-						<reference key="NSNextResponder" ref="191373211"/>
-						<int key="NSvFlags">292</int>
-						<string key="NSFrame">{{102, 180}, {109, 44}}</string>
-						<reference key="NSSuperview" ref="191373211"/>
-						<string key="NSReuseIdentifierKey">_NS:9</string>
-						<bool key="IBUIOpaque">NO</bool>
-						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-						<int key="IBUIContentHorizontalAlignment">0</int>
-						<int key="IBUIContentVerticalAlignment">0</int>
-						<int key="IBUIButtonType">1</int>
-						<string key="IBUINormalTitle">Go Forward</string>
-						<object class="NSColor" key="IBUIHighlightedTitleColor">
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-						</object>
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-							<bytes key="NSRGB">MC4xOTYwNzg0MzQ2IDAuMzA5ODAzOTMyOSAwLjUyMTU2ODY1NgA</bytes>
-						</object>
-						<object class="NSColor" key="IBUINormalTitleShadowColor">
-							<int key="NSColorSpace">3</int>
-							<bytes key="NSWhite">MC41AA</bytes>
-						</object>
-						<object class="IBUIFontDescription" key="IBUIFontDescription">
-							<int key="type">2</int>
-							<double key="pointSize">15</double>
-						</object>
-						<object class="NSFont" key="IBUIFont">
-							<string key="NSName">Helvetica-Bold</string>
-							<double key="NSSize">15</double>
-							<int key="NSfFlags">16</int>
-						</object>
-					</object>
-				</array>
-				<string key="NSFrame">{{0, 20}, {320, 548}}</string>
-				<reference key="NSNextKeyView" ref="706097280"/>
-				<object class="NSColor" key="IBUIBackgroundColor">
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-					<bytes key="NSWhite">MQA</bytes>
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-				</object>
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-					<object class="NSMutableDictionary" key="IBUINormalizedOrientationToSizeMap">
-						<bool key="EncodedWithXMLCoder">YES</bool>
-						<array key="dict.sortedKeys">
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-						</array>
-						<array key="dict.values">
-							<string>{320, 568}</string>
-							<string>{568, 320}</string>
-						</array>
-					</object>
-					<string key="IBUITargetRuntime">IBCocoaTouchFramework</string>
-					<string key="IBUIDisplayName">Retina 4 Full Screen</string>
-					<int key="IBUIType">2</int>
-				</object>
-				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-			</object>
-		</array>
-		<object class="IBObjectContainer" key="IBDocument.Objects">
-			<array class="NSMutableArray" key="connectionRecords">
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">view</string>
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-				<object class="IBConnectionRecord">
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-			<dictionary class="NSMutableDictionary" key="flattenedProperties">
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-			</dictionary>
-			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
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-		<int key="IBDocument.defaultPropertyAccessControl">3</int>
-		<string key="IBCocoaTouchPluginVersion">2083</string>
-	</data>
-</archive>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="4514" systemVersion="13C64" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none">
+    <dependencies>
+        <deployment defaultVersion="1552" identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="3747"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="FirstViewController">
+            <connections>
+                <outlet property="goForwardButton" destination="7" id="NKM-VV-LeF"/>
+                <outlet property="myView" destination="1" id="K2t-Km-kcF"/>
+                <outlet property="view" destination="1" id="3"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="1" customClass="BackgroundView">
+            <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Home View Controller" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="4">
+                    <rect key="frame" x="77" y="115" width="174" height="21"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                    <color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                    <color key="highlightedColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                </label>
+                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="7" customClass="CustomButton">
+                    <rect key="frame" x="102" y="180" width="109" height="41"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                    <state key="normal" title="Go Forward">
+                        <color key="titleColor" red="0.29346442577106302" green="0.59355653981462297" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                    </state>
+                    <connections>
+                        <action selector="goForwardButtonPressed" destination="-1" eventType="touchUpInside" id="8"/>
+                    </connections>
+                </button>
+            </subviews>
+            <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+            <simulatedStatusBarMetrics key="simulatedStatusBarMetrics"/>
+            <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina4"/>
+        </view>
+    </objects>
+</document>
\ No newline at end of file
diff --git a/ChangingBackground/SecondViewController.m b/ChangingBackground/SecondViewController.m
index 028f811..2d2d132 100644
--- a/ChangingBackground/SecondViewController.m
+++ b/ChangingBackground/SecondViewController.m
@@ -7,10 +7,43 @@
 //
 
 #import "SecondViewController.h"
+#import "BackgroundView.h"
+#import <QuartzCore/QuartzCore.h>
+#import "CustomButton.h"
+
+@interface SecondViewController()
+
+@property (nonatomic, strong) IBOutlet BackgroundView *myView;
+@property (strong, nonatomic) IBOutlet CustomButton *goBackButton;
+
+
+@end
 
 
 @implementation SecondViewController
 
+- (void)viewWillAppear:(BOOL)animated {
+
+    [super viewWillAppear:YES];
+
+    self.myView.backgroundImage = [UIImage imageNamed:@"blue"];
+
+    [self.goBackButton indicatingItIsTheSecondViewController];
+
+    // making the corners of the button round
+
+    self.goBackButton.layer.cornerRadius = 10.0;
+    self.goBackButton.clipsToBounds = YES;
+    [self.goBackButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
+    self.goBackButton.showsTouchWhenHighlighted = YES;
+
+
+    // code for animating the foreground image
+
+    [self.myView animatingTheForegroundImageWithImage:[UIImage imageNamed:@"green"]];
+    
+}
+
 - (IBAction)goBackButtonPressed {
     [self.navigationController popViewControllerAnimated:YES];
 }
diff --git a/ChangingBackground/SecondViewController.xib b/ChangingBackground/SecondViewController.xib
index d603949..6b077eb 100644
--- a/ChangingBackground/SecondViewController.xib
+++ b/ChangingBackground/SecondViewController.xib
@@ -1,243 +1,46 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
-	<data>
-		<int key="IBDocument.SystemTarget">1552</int>
-		<string key="IBDocument.SystemVersion">12C3006</string>
-		<string key="IBDocument.InterfaceBuilderVersion">3084</string>
-		<string key="IBDocument.AppKitVersion">1187.34</string>
-		<string key="IBDocument.HIToolboxVersion">625.00</string>
-		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
-			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-			<string key="NS.object.0">2083</string>
-		</object>
-		<array key="IBDocument.IntegratedClassDependencies">
-			<string>IBProxyObject</string>
-			<string>IBUIButton</string>
-			<string>IBUILabel</string>
-			<string>IBUIView</string>
-		</array>
-		<array key="IBDocument.PluginDependencies">
-			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-		</array>
-		<object class="NSMutableDictionary" key="IBDocument.Metadata">
-			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
-			<integer value="1" key="NS.object.0"/>
-		</object>
-		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
-			<object class="IBProxyObject" id="372490531">
-				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
-				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-			</object>
-			<object class="IBProxyObject" id="975951072">
-				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
-				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-			</object>
-			<object class="IBUIView" id="191373211">
-				<reference key="NSNextResponder"/>
-				<int key="NSvFlags">274</int>
-				<array class="NSMutableArray" key="NSSubviews">
-					<object class="IBUILabel" id="608025062">
-						<reference key="NSNextResponder" ref="191373211"/>
-						<int key="NSvFlags">292</int>
-						<string key="NSFrame">{{71, 118}, {209, 21}}</string>
-						<reference key="NSSuperview" ref="191373211"/>
-						<reference key="NSWindow"/>
-						<reference key="NSNextKeyView" ref="296395786"/>
-						<string key="NSReuseIdentifierKey">_NS:9</string>
-						<bool key="IBUIOpaque">NO</bool>
-						<bool key="IBUIClipsSubviews">YES</bool>
-						<int key="IBUIContentMode">7</int>
-						<bool key="IBUIUserInteractionEnabled">NO</bool>
-						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-						<string key="IBUIText">Second View Controller</string>
-						<object class="NSColor" key="IBUITextColor">
-							<int key="NSColorSpace">1</int>
-							<bytes key="NSRGB">MCAwIDAAA</bytes>
-							<string key="IBUIColorCocoaTouchKeyPath">darkTextColor</string>
-						</object>
-						<nil key="IBUIHighlightedColor"/>
-						<int key="IBUIBaselineAdjustment">0</int>
-						<object class="IBUIFontDescription" key="IBUIFontDescription">
-							<int key="type">1</int>
-							<double key="pointSize">17</double>
-						</object>
-						<object class="NSFont" key="IBUIFont">
-							<string key="NSName">Helvetica</string>
-							<double key="NSSize">17</double>
-							<int key="NSfFlags">16</int>
-						</object>
-						<bool key="IBUIAdjustsFontSizeToFit">NO</bool>
-					</object>
-					<object class="IBUIButton" id="296395786">
-						<reference key="NSNextResponder" ref="191373211"/>
-						<int key="NSvFlags">292</int>
-						<string key="NSFrame">{{118, 178}, {85, 44}}</string>
-						<reference key="NSSuperview" ref="191373211"/>
-						<reference key="NSWindow"/>
-						<string key="NSReuseIdentifierKey">_NS:9</string>
-						<bool key="IBUIOpaque">NO</bool>
-						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-						<int key="IBUIContentHorizontalAlignment">0</int>
-						<int key="IBUIContentVerticalAlignment">0</int>
-						<int key="IBUIButtonType">1</int>
-						<string key="IBUINormalTitle">Go Back</string>
-						<object class="NSColor" key="IBUIHighlightedTitleColor">
-							<int key="NSColorSpace">3</int>
-							<bytes key="NSWhite">MQA</bytes>
-						</object>
-						<object class="NSColor" key="IBUINormalTitleColor">
-							<int key="NSColorSpace">1</int>
-							<bytes key="NSRGB">MC4xOTYwNzg0MzQ2IDAuMzA5ODAzOTMyOSAwLjUyMTU2ODY1NgA</bytes>
-						</object>
-						<object class="NSColor" key="IBUINormalTitleShadowColor">
-							<int key="NSColorSpace">3</int>
-							<bytes key="NSWhite">MC41AA</bytes>
-						</object>
-						<object class="IBUIFontDescription" key="IBUIFontDescription">
-							<int key="type">2</int>
-							<double key="pointSize">15</double>
-						</object>
-						<object class="NSFont" key="IBUIFont">
-							<string key="NSName">Helvetica-Bold</string>
-							<double key="NSSize">15</double>
-							<int key="NSfFlags">16</int>
-						</object>
-					</object>
-				</array>
-				<string key="NSFrame">{{0, 20}, {320, 548}}</string>
-				<reference key="NSSuperview"/>
-				<reference key="NSWindow"/>
-				<reference key="NSNextKeyView" ref="608025062"/>
-				<object class="NSColor" key="IBUIBackgroundColor">
-					<int key="NSColorSpace">3</int>
-					<bytes key="NSWhite">MQA</bytes>
-					<object class="NSColorSpace" key="NSCustomColorSpace">
-						<int key="NSID">2</int>
-					</object>
-				</object>
-				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
-				<object class="IBUIScreenMetrics" key="IBUISimulatedDestinationMetrics">
-					<string key="IBUISimulatedSizeMetricsClass">IBUIScreenMetrics</string>
-					<object class="NSMutableDictionary" key="IBUINormalizedOrientationToSizeMap">
-						<bool key="EncodedWithXMLCoder">YES</bool>
-						<array key="dict.sortedKeys">
-							<integer value="1"/>
-							<integer value="3"/>
-						</array>
-						<array key="dict.values">
-							<string>{320, 568}</string>
-							<string>{568, 320}</string>
-						</array>
-					</object>
-					<string key="IBUITargetRuntime">IBCocoaTouchFramework</string>
-					<string key="IBUIDisplayName">Retina 4 Full Screen</string>
-					<int key="IBUIType">2</int>
-				</object>
-				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-			</object>
-		</array>
-		<object class="IBObjectContainer" key="IBDocument.Objects">
-			<array class="NSMutableArray" key="connectionRecords">
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchOutletConnection" key="connection">
-						<string key="label">view</string>
-						<reference key="source" ref="372490531"/>
-						<reference key="destination" ref="191373211"/>
-					</object>
-					<int key="connectionID">3</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBCocoaTouchEventConnection" key="connection">
-						<string key="label">goBackButtonPressed</string>
-						<reference key="source" ref="296395786"/>
-						<reference key="destination" ref="372490531"/>
-						<int key="IBEventType">7</int>
-					</object>
-					<int key="connectionID">10</int>
-				</object>
-			</array>
-			<object class="IBMutableOrderedSet" key="objectRecords">
-				<array key="orderedObjects">
-					<object class="IBObjectRecord">
-						<int key="objectID">0</int>
-						<array key="object" id="0"/>
-						<reference key="children" ref="1000"/>
-						<nil key="parent"/>
-					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">1</int>
-						<reference key="object" ref="191373211"/>
-						<array class="NSMutableArray" key="children">
-							<reference ref="608025062"/>
-							<reference ref="296395786"/>
-						</array>
-						<reference key="parent" ref="0"/>
-					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">-1</int>
-						<reference key="object" ref="372490531"/>
-						<reference key="parent" ref="0"/>
-						<string key="objectName">File's Owner</string>
-					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">-2</int>
-						<reference key="object" ref="975951072"/>
-						<reference key="parent" ref="0"/>
-					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">4</int>
-						<reference key="object" ref="296395786"/>
-						<reference key="parent" ref="191373211"/>
-					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">7</int>
-						<reference key="object" ref="608025062"/>
-						<reference key="parent" ref="191373211"/>
-					</object>
-				</array>
-			</object>
-			<dictionary class="NSMutableDictionary" key="flattenedProperties">
-				<string key="-1.CustomClassName">SecondViewController</string>
-				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<string key="-2.CustomClassName">UIResponder</string>
-				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<string key="1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<string key="4.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<string key="7.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-			</dictionary>
-			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
-			<nil key="activeLocalization"/>
-			<dictionary class="NSMutableDictionary" key="localizations"/>
-			<nil key="sourceID"/>
-			<int key="maxID">10</int>
-		</object>
-		<object class="IBClassDescriber" key="IBDocument.Classes">
-			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
-				<object class="IBPartialClassDescription">
-					<string key="className">SecondViewController</string>
-					<string key="superclassName">UIViewController</string>
-					<object class="NSMutableDictionary" key="actions">
-						<string key="NS.key.0">goBackButtonPressed</string>
-						<string key="NS.object.0">id</string>
-					</object>
-					<object class="NSMutableDictionary" key="actionInfosByName">
-						<string key="NS.key.0">goBackButtonPressed</string>
-						<object class="IBActionInfo" key="NS.object.0">
-							<string key="name">goBackButtonPressed</string>
-							<string key="candidateClassName">id</string>
-						</object>
-					</object>
-					<object class="IBClassDescriptionSource" key="sourceIdentifier">
-						<string key="majorKey">IBProjectSource</string>
-						<string key="minorKey">./Classes/SecondViewController.h</string>
-					</object>
-				</object>
-			</array>
-		</object>
-		<int key="IBDocument.localizationMode">0</int>
-		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
-		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
-		<int key="IBDocument.defaultPropertyAccessControl">3</int>
-		<string key="IBCocoaTouchPluginVersion">2083</string>
-	</data>
-</archive>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="4514" systemVersion="13C64" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none">
+    <dependencies>
+        <deployment defaultVersion="1552" identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="3747"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="SecondViewController">
+            <connections>
+                <outlet property="goBackButton" destination="4" id="rmR-nt-Yvi"/>
+                <outlet property="myView" destination="1" id="PlD-u0-FRp"/>
+                <outlet property="view" destination="1" id="3"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="1" customClass="BackgroundView">
+            <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Second View Controller" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="7">
+                    <rect key="frame" x="71" y="118" width="209" height="21"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                    <color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                    <nil key="highlightedColor"/>
+                </label>
+                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="4" customClass="CustomButton">
+                    <rect key="frame" x="118" y="178" width="100" height="41"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                    <state key="normal" title="Go Back">
+                        <color key="titleColor" red="0.27104488755979039" green="0.55934929392595789" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                        <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
+                    </state>
+                    <connections>
+                        <action selector="goBackButtonPressed" destination="-1" eventType="touchUpInside" id="10"/>
+                    </connections>
+                </button>
+            </subviews>
+            <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+            <simulatedStatusBarMetrics key="simulatedStatusBarMetrics"/>
+            <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina4"/>
+        </view>
+    </objects>
+</document>
\ No newline at end of file