diff --git a/.gitignore b/.gitignore
index 603b140..3ae4445 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@
 /captures
 .externalNativeBuild
 .cxx
+/.idea/codeStyles
+.idea/gradle.xml
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 88ea3aa..3cc336b 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,6 +1,22 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
     <JetCodeStyleSettings>
+      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
+        <value>
+          <package name="java.util" alias="false" withSubpackages="false" />
+          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
+          <package name="io.ktor" alias="false" withSubpackages="true" />
+        </value>
+      </option>
+      <option name="PACKAGES_IMPORT_LAYOUT">
+        <value>
+          <package name="" alias="false" withSubpackages="true" />
+          <package name="java" alias="false" withSubpackages="true" />
+          <package name="javax" alias="false" withSubpackages="true" />
+          <package name="kotlin" alias="false" withSubpackages="true" />
+          <package name="" alias="true" withSubpackages="true" />
+        </value>
+      </option>
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <codeStyleSettings language="XML">
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..61a9130
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="1.8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index ac6b0ae..23a89bb 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -15,6 +15,7 @@
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />
+        <option name="useQualifiedModuleNames" value="true" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/app/src/main/java/com/anant/codingguide/activity/ControlActivity.kt b/app/src/main/java/com/anant/codingguide/activity/ControlActivity.kt
index e91c2a0..39e2453 100644
--- a/app/src/main/java/com/anant/codingguide/activity/ControlActivity.kt
+++ b/app/src/main/java/com/anant/codingguide/activity/ControlActivity.kt
@@ -1,6 +1,5 @@
 package com.anant.codingguide.activity
 
-//import android.widget.Toolbar
 
 import android.content.DialogInterface
 import android.os.Bundle
@@ -17,6 +16,8 @@ import com.anant.codingguide.R
 import com.anant.codingguide.fragment.*
 import com.google.android.material.navigation.NavigationView
 import androidx.appcompat.app.AlertDialog.Builder
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentTransaction
 
 
 class ControlActivity : AppCompatActivity() {
@@ -27,7 +28,7 @@ class ControlActivity : AppCompatActivity() {
     lateinit var toolbar: Toolbar
     lateinit var frameLayout: FrameLayout
     lateinit var navigationView: NavigationView
-    var previousMenuItem:MenuItem?=null
+    var previousMenuItem: MenuItem? = null
 
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -41,69 +42,65 @@ class ControlActivity : AppCompatActivity() {
         navigationView = findViewById(R.id.navigationView)
 
         openHome()
-        supportActionBar?.title="Home"
+        supportActionBar?.title = "Home"
 
 
         setUpToolbar()
 
-        val actionBarDrawerToggle=ActionBarDrawerToggle(this@ControlActivity,drawerLayout,R.string.open_drawer,R.string.close_drawer)
+        val actionBarDrawerToggle = ActionBarDrawerToggle(
+            this@ControlActivity,
+            drawerLayout,
+            R.string.open_drawer,
+            R.string.close_drawer
+        )
         drawerLayout.addDrawerListener(actionBarDrawerToggle)
         actionBarDrawerToggle.syncState()
 
         navigationView.setNavigationItemSelectedListener {
 
 
-            if(previousMenuItem != null){
-                previousMenuItem?.isChecked=false
+            if (previousMenuItem != null) {
+                previousMenuItem?.isChecked = false
             }
-            it.isCheckable=true
-            it.isChecked=true
-            previousMenuItem=it
-
-            when(it.itemId)
-            {
-                R.id.home->{
-                      openHome()
+            it.isCheckable = true
+            it.isChecked = true
+            previousMenuItem = it
+
+
+            when (it.itemId) {
+                R.id.home -> {
+                    openHome()
                     drawerLayout.closeDrawers()
 
                 }
 
-                R.id.language->{
-                    supportFragmentManager.beginTransaction().replace(R.id.frame,
-                        LanguagesFragment()
-                    ).commit()
-                    supportActionBar?.title="Programming languages"
+                R.id.language -> {
+                    setUpFragment(LanguagesFragment())
+                    supportActionBar?.title = "Programming languages"
                     drawerLayout.closeDrawers()
                 }
 
-                R.id.dev->{
-                    supportFragmentManager.beginTransaction().replace(R.id.frame,
-                        DevelopmentFragment()
-                    ).commit()
-                    supportActionBar?.title="Software Development"
+                R.id.dev -> {
+                    setUpFragment(DevelopmentFragment())
+                    supportActionBar?.title = "Software Development"
                     drawerLayout.closeDrawers()
                 }
 
-                R.id.quest->{
-                    supportFragmentManager.beginTransaction().replace(R.id.frame,
-                        CompetitiveProgrammingFragment()
-                    ).commit()
-                    supportActionBar?.title="Competitive programming"
+                R.id.quest -> {
+                    setUpFragment(CompetitiveProgrammingFragment())
+                    supportActionBar?.title = "Competitive programming"
                     drawerLayout.closeDrawers()
                 }
 
 
-
-                R.id.compiler->{
-                    supportFragmentManager.beginTransaction().replace(R.id.frame,
-                        CompilerFragment()
-                    ).commit()
-                    supportActionBar?.title="Test your Code"
+                R.id.compiler -> {
+                    setUpFragment(CompilerFragment())
+                    supportActionBar?.title = "Test your Code"
                     drawerLayout.closeDrawers()
                 }
 
 
-                R.id.exit->{
+                R.id.exit -> {
                     val builder: android.app.AlertDialog.Builder =
                         android.app.AlertDialog.Builder(this@ControlActivity)
                     builder.setTitle(R.string.app_name)
@@ -119,7 +116,6 @@ class ControlActivity : AppCompatActivity() {
                 }
 
 
-
             }
 
 
@@ -132,36 +128,47 @@ class ControlActivity : AppCompatActivity() {
 
     }
 
-    fun setUpToolbar(){
+    fun setUpToolbar() {
         setSupportActionBar(toolbar)
-            //supportActionBar?.title="Toolbar Title"
+        //supportActionBar?.title="Toolbar Title"
         supportActionBar?.setHomeButtonEnabled(true)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
     }
 
+    fun setUpFragment(fragment: Fragment){
+        val manager = supportFragmentManager.beginTransaction()
+        manager.setCustomAnimations(
+            R.anim.slide_in,
+            R.anim.slide_out)
+
+        manager.replace(
+            R.id.frame,
+            fragment
+        )
+        manager.commit()
+    }
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        val id=item.itemId
-        if(id==android.R.id.home)
-        {
+        val id = item.itemId
+        if (id == android.R.id.home) {
             drawerLayout.openDrawer(GravityCompat.START)
         }
         return super.onOptionsItemSelected(item)
     }
 
-   fun  openHome()
-    {
-        val fragment=HomeFragment()
-        val transaction=supportFragmentManager.beginTransaction()
-        transaction.replace(R.id.frame,fragment)
+    fun openHome() {
+        val fragment = HomeFragment()
+        val transaction = supportFragmentManager.beginTransaction()
+        transaction.replace(R.id.frame, fragment)
         transaction.commit()
-        supportActionBar?.title="Home"
+        supportActionBar?.title = "Home"
         navigationView.setCheckedItem(R.id.home)
     }
 
     override fun onBackPressed() {
         val frag = supportFragmentManager.findFragmentById(R.id.frame)
 
-        when(frag){
+        when (frag) {
             !is HomeFragment -> openHome()
 
             else -> super.onBackPressed()
@@ -169,8 +176,6 @@ class ControlActivity : AppCompatActivity() {
     }
 
 
-
-
 }
 
 
diff --git a/app/src/main/res/anim/slide_in.xml b/app/src/main/res/anim/slide_in.xml
new file mode 100644
index 0000000..6963dca
--- /dev/null
+++ b/app/src/main/res/anim/slide_in.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<scale xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="@android:integer/config_mediumAnimTime"
+    android:fromXScale="0%"
+    android:fromYScale="0%"
+    android:toXScale="100%"
+    android:toYScale="100%"/>
diff --git a/app/src/main/res/anim/slide_out.xml b/app/src/main/res/anim/slide_out.xml
new file mode 100644
index 0000000..8964d89
--- /dev/null
+++ b/app/src/main/res/anim/slide_out.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<scale xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="@android:integer/config_mediumAnimTime"
+    android:fromXScale="100%"
+    android:fromYScale="100%"
+    android:toXScale="0%"
+    android:toYScale="0%"/>
diff --git a/app/src/main/res/drawable/mybutton.xml b/app/src/main/res/drawable/mybutton.xml
index 11271cc..d5b300f 100644
--- a/app/src/main/res/drawable/mybutton.xml
+++ b/app/src/main/res/drawable/mybutton.xml
@@ -3,6 +3,6 @@
     android:shape="rectangle"   >
 
     <solid android:color="#20b6d9"/>
-    <corners android:radius="150dp"/>
+    <corners android:radius="8dp"/>
 
 </shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_control.xml b/app/src/main/res/layout/activity_control.xml
index d579ff6..6417185 100644
--- a/app/src/main/res/layout/activity_control.xml
+++ b/app/src/main/res/layout/activity_control.xml
@@ -16,7 +16,6 @@
         <com.google.android.material.appbar.AppBarLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:theme="@style/ThemeOverlay.AppCompat.Dark"
             android:elevation="0dp">
 
 
diff --git a/app/src/main/res/layout/activity_splash.xml b/app/src/main/res/layout/activity_splash.xml
index 73f9566..78b7956 100644
--- a/app/src/main/res/layout/activity_splash.xml
+++ b/app/src/main/res/layout/activity_splash.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#bbdefb"
+    android:background="@color/blueOcean"
     tools:context=".activity.SplashActivity">
 
 
diff --git a/app/src/main/res/layout/activity_welcome.xml b/app/src/main/res/layout/activity_welcome.xml
index cefdc08..96b2e35 100644
--- a/app/src/main/res/layout/activity_welcome.xml
+++ b/app/src/main/res/layout/activity_welcome.xml
@@ -5,7 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".activity.WelcomeActivity"
-    android:background="#bbdefb">
+    android:background="@color/blueOcean">
 
 
     <TextView
@@ -15,7 +15,8 @@
         android:text="@string/welcome_to_coding_guide"
         android:layout_centerHorizontal="true"
         android:textSize="28sp"
-        android:textColor="#1a237e"
+        android:textStyle="bold"
+        android:textColor="@color/colorPrimaryDark"
         android:padding="16dp"
         android:layout_marginTop="40dp" />
 
@@ -23,6 +24,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:src="@drawable/cod"
+        android:elevation="4dp"
         android:layout_below="@id/txtWelcome"
         android:layout_centerHorizontal="true"
         android:layout_marginTop="50dp"/>
@@ -33,9 +35,10 @@
         android:layout_height="wrap_content"
         android:layout_below="@id/txtWelcome"
         android:layout_centerInParent="true"
+        android:elevation="4dp"
         android:layout_marginTop="300dp"
-        android:background="@color/colorPrimary"
-        android:textColor="#000000"
+        android:background="@drawable/mybutton"
+        android:textColor="@color/white"
         android:text="Get Started"/>
 
 
diff --git a/app/src/main/res/layout/drawer_header.xml b/app/src/main/res/layout/drawer_header.xml
index e3a1972..154265e 100644
--- a/app/src/main/res/layout/drawer_header.xml
+++ b/app/src/main/res/layout/drawer_header.xml
@@ -20,6 +20,7 @@
         android:layout_below="@id/imgLogo"
         android:textSize="38sp"
         android:layout_centerInParent="true"
-        android:textColor="@color/colorPrimaryDark" />
+        android:textStyle="bold"
+        android:textColor="@color/white" />
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_competitiveprogramming.xml b/app/src/main/res/layout/fragment_competitiveprogramming.xml
index 8a411e5..5cb705b 100644
--- a/app/src/main/res/layout/fragment_competitiveprogramming.xml
+++ b/app/src/main/res/layout/fragment_competitiveprogramming.xml
@@ -1,10 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.core.widget.NestedScrollView
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+<RelativeLayout
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".fragment.CompetitiveProgrammingFragment"
-    android:background="#bbdefb">
+    android:background="@color/blueOcean">
 
 
     <TextView
@@ -228,4 +232,6 @@
 
 
 
-</RelativeLayout>
\ No newline at end of file
+</RelativeLayout>
+
+</androidx.core.widget.NestedScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_compiler.xml b/app/src/main/res/layout/fragment_compiler.xml
index fc8b357..c78656b 100644
--- a/app/src/main/res/layout/fragment_compiler.xml
+++ b/app/src/main/res/layout/fragment_compiler.xml
@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".fragment.CompilerFragment"
-    android:background="#bbdefb">
+    android:background="@color/blueOcean">
 
     <TextView
         android:id="@+id/txtReady"
diff --git a/app/src/main/res/layout/fragment_development.xml b/app/src/main/res/layout/fragment_development.xml
index d1a1f76..5ef75e3 100644
--- a/app/src/main/res/layout/fragment_development.xml
+++ b/app/src/main/res/layout/fragment_development.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#bbdefb">
+    android:background="@color/blueOcean">
 
     <RelativeLayout
         android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/fragment_home.xml b/app/src/main/res/layout/fragment_home.xml
index a1bf180..b6a619f 100644
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@@ -3,7 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#bbdefb"
+    android:background="@color/blueOcean"
     tools:context=".fragment.HomeFragment">
 
 
diff --git a/app/src/main/res/layout/fragment_languages.xml b/app/src/main/res/layout/fragment_languages.xml
index e196b95..228cf3a 100644
--- a/app/src/main/res/layout/fragment_languages.xml
+++ b/app/src/main/res/layout/fragment_languages.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#bbdefb">
+    android:background="@color/blueOcean">
 
 <RelativeLayout
     android:layout_width="match_parent"
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 60d195e..d437a93 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -3,4 +3,7 @@
     <color name="colorPrimary">#4dabf5</color>
     <color name="colorPrimaryDark">#1769aa</color>
     <color name="colorAccent">#2196f3</color>
+
+    <color name="white">#FFFFFF</color>
+    <color name="blueOcean">#bbdefb</color>
 </resources>
\ No newline at end of file