diff --git a/app/build.gradle b/app/build.gradle
index 5677a4a..3164c7a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -22,6 +22,8 @@
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.android.support:appcompat-v7:28.0.0'
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'com.android.support:support-v4:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 300967e..f94410a 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,36 +9,18 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".views.SigninActivity">
+        <activity
+            android:name=".views.RequestListActivity"
+            android:label="@string/title_activity_request_list"
+            android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
-        <activity android:name=".views.SignupActivity" />
         <activity android:name=".MainActivity">
-
         </activity>
-
-
-        <activity
-            android:name=".views.RequestListActivity"
-            android:label="@string/title_activity_request_list"
-            android:theme="@style/AppTheme.NoActionBar">
-        </activity>
-
-        <activity android:name=".views.DisplayQRActivity"></activity>
-        <activity android:name=".views.AddMemberActivity" />
-
-        <activity
-            android:name=".views.GroupList"
-            android:label="@string/title_activity_group_list"
-            android:theme="@style/AppTheme.NoActionBar"></activity>
-
-
-
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/example/cosmosclient/views/RequestListActivity.java b/app/src/main/java/com/example/cosmosclient/views/RequestListActivity.java
new file mode 100644
index 0000000..f7418af
--- /dev/null
+++ b/app/src/main/java/com/example/cosmosclient/views/RequestListActivity.java
@@ -0,0 +1,103 @@
+package com.example.cosmosclient.views;
+
+import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.view.Gravity;
+import android.view.View;
+import android.support.design.widget.NavigationView;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.ActionBarDrawerToggle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import com.example.cosmosclient.R;
+
+public class RequestListActivity extends AppCompatActivity
+        implements NavigationView.OnNavigationItemSelectedListener {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_request_list);
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+
+        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
+        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
+                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
+        drawer.addDrawerListener(toggle);
+        toggle.syncState();
+
+        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
+        navigationView.setNavigationItemSelectedListener(this);
+    }
+
+    @Override
+    public void onBackPressed() {
+        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
+        if (drawer.isDrawerOpen(GravityCompat.START)) {
+            drawer.closeDrawer(GravityCompat.START);
+        } else {
+            super.onBackPressed();
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.request_list, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @SuppressWarnings("StatementWithEmptyBody")
+    @Override
+    public boolean onNavigationItemSelected(MenuItem item) {
+        // Handle navigation view item clicks here.
+        int id = item.getItemId();
+
+        if (id == R.id.nav_camera) {
+            // Handle the camera action
+        } else if (id == R.id.nav_gallery) {
+
+        } else if (id == R.id.nav_slideshow) {
+
+        } else if (id == R.id.nav_share) {
+
+        } else if (id == R.id.nav_send) {
+
+        }
+
+//        int gravity = Gravity.RIGHT;
+        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
+        drawer.closeDrawer(GravityCompat.START);
+        return true;
+    }
+}
diff --git a/app/src/main/res/drawable-v21/ic_menu_camera.xml b/app/src/main/res/drawable-v21/ic_menu_camera.xml
new file mode 100644
index 0000000..634fe92
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ic_menu_camera.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0" />
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,2L7.17,4H4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2H9zm3,15c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z" />
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_gallery.xml b/app/src/main/res/drawable-v21/ic_menu_gallery.xml
new file mode 100644
index 0000000..03c7709
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ic_menu_gallery.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M22,16V4c0,-1.1 -0.9,-2 -2,-2H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zm-11,-4l2.03,2.71L16,11l4,5H8l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2H4V6H2z" />
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_manage.xml b/app/src/main/res/drawable-v21/ic_menu_manage.xml
new file mode 100644
index 0000000..aeb047d
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ic_menu_manage.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M22.7,19l-9.1,-9.1c0.9,-2.3 0.4,-5 -1.5,-6.9 -2,-2 -5,-2.4 -7.4,-1.3L9,6 6,9 1.6,4.7C0.4,7.1 0.9,10.1 2.9,12.1c1.9,1.9 4.6,2.4 6.9,1.5l9.1,9.1c0.4,0.4 1,0.4 1.4,0l2.3,-2.3c0.5,-0.4 0.5,-1.1 0.1,-1.4z" />
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable-v21/ic_menu_send.xml b/app/src/main/res/drawable-v21/ic_menu_send.xml
new file mode 100644
index 0000000..fdf1c90
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ic_menu_send.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z" />
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_share.xml b/app/src/main/res/drawable-v21/ic_menu_share.xml
new file mode 100644
index 0000000..338d95a
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ic_menu_share.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z" />
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_slideshow.xml b/app/src/main/res/drawable-v21/ic_menu_slideshow.xml
new file mode 100644
index 0000000..5e9e163
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ic_menu_slideshow.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z" />
+</vector>
diff --git a/app/src/main/res/drawable/side_nav_bar.xml b/app/src/main/res/drawable/side_nav_bar.xml
new file mode 100644
index 0000000..6d81870
--- /dev/null
+++ b/app/src/main/res/drawable/side_nav_bar.xml
@@ -0,0 +1,9 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="135"
+        android:centerColor="#009688"
+        android:endColor="#00695C"
+        android:startColor="#4DB6AC"
+        android:type="linear" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_request_list.xml b/app/src/main/res/layout/activity_request_list.xml
new file mode 100644
index 0000000..7a60ce0
--- /dev/null
+++ b/app/src/main/res/layout/activity_request_list.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/drawer_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:openDrawer="start">
+
+    <include
+        layout="@layout/app_bar_request_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <android.support.design.widget.NavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="start"
+        app:headerLayout="@layout/nav_header_request_list"
+        app:menu="@menu/activity_request_list_drawer" />
+
+</android.support.v4.widget.DrawerLayout>
diff --git a/app/src/main/res/layout/app_bar_request_list.xml b/app/src/main/res/layout/app_bar_request_list.xml
new file mode 100644
index 0000000..384f57a
--- /dev/null
+++ b/app/src/main/res/layout/app_bar_request_list.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".views.RequestListActivity">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <include layout="@layout/content_request_list" />
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:backgroundTint="@android:color/background_light"
+        app:maxImageSize="70dp"
+        app:srcCompat="@android:drawable/ic_input_add" />
+
+</android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/content_request_list.xml b/app/src/main/res/layout/content_request_list.xml
new file mode 100644
index 0000000..fe54b93
--- /dev/null
+++ b/app/src/main/res/layout/content_request_list.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".views.RequestListActivity"
+    tools:showIn="@layout/app_bar_request_list">
+
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/nav_header_request_list.xml b/app/src/main/res/layout/nav_header_request_list.xml
new file mode 100644
index 0000000..4c3439a
--- /dev/null
+++ b/app/src/main/res/layout/nav_header_request_list.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/nav_header_height"
+    android:background="@drawable/side_nav_bar"
+    android:gravity="bottom"
+    android:orientation="vertical"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:theme="@style/ThemeOverlay.AppCompat.Dark">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription="@string/nav_header_desc"
+        android:paddingTop="@dimen/nav_header_vertical_spacing"
+        app:srcCompat="@mipmap/ic_launcher_round" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="@dimen/nav_header_vertical_spacing"
+        android:text="@string/nav_header_title"
+        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/nav_header_subtitle" />
+
+</LinearLayout>
diff --git a/app/src/main/res/menu/activity_request_list_drawer.xml b/app/src/main/res/menu/activity_request_list_drawer.xml
new file mode 100644
index 0000000..040c871
--- /dev/null
+++ b/app/src/main/res/menu/activity_request_list_drawer.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:showIn="navigation_view">
+
+    <group android:checkableBehavior="single">
+        <item
+            android:id="@+id/nav_camera"
+            android:icon="@drawable/ic_menu_camera"
+            android:title="メンバー一覧" />
+        <item
+            android:id="@+id/nav_gallery"
+            android:icon="@drawable/ic_menu_gallery"
+            android:title="メンバー追加" />
+        <item
+            android:id="@+id/nav_slideshow"
+            android:icon="@drawable/ic_menu_slideshow"
+            android:title="通知" />
+    </group>
+
+    <item android:title="Communicate">
+        <menu>
+            <item
+                android:id="@+id/nav_share"
+                android:icon="@drawable/ic_menu_share"
+                android:title="Share" />
+            <item
+                android:id="@+id/nav_send"
+                android:icon="@drawable/ic_menu_send"
+                android:title="Send" />
+        </menu>
+    </item>
+
+</menu>
diff --git a/app/src/main/res/menu/request_list.xml b/app/src/main/res/menu/request_list.xml
new file mode 100644
index 0000000..a2411e3
--- /dev/null
+++ b/app/src/main/res/menu/request_list.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="never" />
+</menu>
diff --git a/app/src/main/res/values-v21/styles.xml b/app/src/main/res/values-v21/styles.xml
new file mode 100644
index 0000000..fd7a058
--- /dev/null
+++ b/app/src/main/res/values-v21/styles.xml
@@ -0,0 +1,8 @@
+<resources>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+    </style>
+</resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..4ab4520
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,8 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="nav_header_vertical_spacing">8dp</dimen>
+    <dimen name="nav_header_height">176dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/drawables.xml b/app/src/main/res/values/drawables.xml
new file mode 100644
index 0000000..52c6a6c
--- /dev/null
+++ b/app/src/main/res/values/drawables.xml
@@ -0,0 +1,8 @@
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+    <item name="ic_menu_camera" type="drawable">@android:drawable/ic_menu_camera</item>
+    <item name="ic_menu_gallery" type="drawable">@android:drawable/ic_menu_gallery</item>
+    <item name="ic_menu_slideshow" type="drawable">@android:drawable/ic_menu_slideshow</item>
+    <item name="ic_menu_manage" type="drawable">@android:drawable/ic_menu_manage</item>
+    <item name="ic_menu_share" type="drawable">@android:drawable/ic_menu_share</item>
+    <item name="ic_menu_send" type="drawable">@android:drawable/ic_menu_send</item>
+</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c820d97..81197db 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,15 +1,10 @@
 <resources>
     <string name="app_name">CosmosClient</string>
-    <string name="or">or</string>
-    <string name="e_mail_address">E-MAIL ADDRESS</string>
-    <string name="password">PASSWORD</string>
-    <string name="confirm_password">CONFIRM PASSWORD</string>
-    <string name="sign_up">Sign Up</string>
-    <string name="already_have_a_account">Already have a account?</string>
-    <string name="login">Login</string>
-    <string name="make_account">Make Account</string>
-    <string name="sign_in">Sign in</string>
-    <string name="don_t_have_an_account">Don\'t have an account?</string>
-    <string name="forgot_password">Forgot Password?</string>
-    <string name="sign_up_now">Sign up Now</string>
+    <string name="title_activity_request_list">RequestListActivity</string>
+    <string name="navigation_drawer_open">Open navigation drawer</string>
+    <string name="navigation_drawer_close">Close navigation drawer</string>
+    <string name="nav_header_title">Android Studio</string>
+    <string name="nav_header_subtitle">android.studio@android.com</string>
+    <string name="nav_header_desc">Navigation header</string>
+    <string name="action_settings">Settings</string>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 5885930..545b9c6 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -8,4 +8,13 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
 </resources>