diff --git a/app/src/main/res/layout-land/fragment_login.xml b/app/src/main/res/layout-land/fragment_login.xml
index 8dee749..e130e8f 100644
--- a/app/src/main/res/layout-land/fragment_login.xml
+++ b/app/src/main/res/layout-land/fragment_login.xml
@@ -14,7 +14,7 @@
         android:hint="@string/username_hint"
         android:inputType="text"
         android:padding="12dp"
-        android:background="#F0F0F0"
+        android:background="@drawable/ic_android_black_24dp"
         android:layout_marginBottom="16dp"/>
 
     <EditText
@@ -24,7 +24,7 @@
         android:hint="@string/password_hint"
         android:inputType="textPassword"
         android:padding="12dp"
-        android:background="#F0F0F0"
+        android:background="@drawable/ic_android_black_24dp"
         android:layout_marginBottom="16dp"/>
 
     <Button
@@ -35,6 +35,7 @@
         android:backgroundTint="@color/colorPrimary"
         android:textColor="@android:color/white"
         android:padding="12dp"
+        app:cornerRadius="16dp"
         android:layout_marginBottom="16dp"/>
 
     <TextView
diff --git a/app/src/main/res/layout-land/fragment_main.xml b/app/src/main/res/layout-land/fragment_main.xml
index baa3b78..d5ebef4 100644
--- a/app/src/main/res/layout-land/fragment_main.xml
+++ b/app/src/main/res/layout-land/fragment_main.xml
@@ -69,6 +69,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
             android:text="@string/refresh"
+            app:cornerRadius="16dp"
             android:backgroundTint="@color/colorPrimary"
             android:textColor="@android:color/white"
             android:padding="12dp"/>
@@ -91,6 +92,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
             android:text="@string/scan_qr_code"
+            app:cornerRadius="16dp"
             android:backgroundTint="@color/colorPrimary"
             android:textColor="@android:color/white"
             android:visibility="gone" />
@@ -101,6 +103,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
             android:text="@string/logout"
+            app:cornerRadius="16dp"
             android:backgroundTint="@color/colorPrimary"
             android:textColor="@android:color/white"
             android:visibility="gone" />
@@ -111,6 +114,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
             android:text="@string/admin_panel"
+            app:cornerRadius="16dp"
             android:backgroundTint="@color/colorPrimary"
             android:visibility="gone" />
     </LinearLayout>
diff --git a/app/src/main/res/layout-land/fragment_qr_scan_result.xml b/app/src/main/res/layout-land/fragment_qr_scan_result.xml
index 4e2fa4f..54f43f9 100644
--- a/app/src/main/res/layout-land/fragment_qr_scan_result.xml
+++ b/app/src/main/res/layout-land/fragment_qr_scan_result.xml
@@ -1,5 +1,6 @@
 <?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:id="@+id/qrScanResultLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -21,6 +22,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/close_button"
+        app:cornerRadius="16dp"
         android:backgroundTint="@color/colorPrimary"
         android:textColor="@android:color/white"
         android:padding="12dp"
diff --git a/app/src/main/res/layout/fragment_admin.xml b/app/src/main/res/layout/fragment_admin.xml
index bd4c8eb..90902b0 100644
--- a/app/src/main/res/layout/fragment_admin.xml
+++ b/app/src/main/res/layout/fragment_admin.xml
@@ -1,6 +1,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical"
     android:padding="16dp">
 
@@ -16,13 +17,18 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:hint="@string/worker_username"
+        android:padding="12dp"
+        android:background="@drawable/ic_android_black_24dp"
         android:inputType="text" />
 
     <Button
         android:id="@+id/view_employee_info"
-        android:layout_width="match_parent"
+        android:layout_width="280dp"
+        android:layout_gravity="center_horizontal"
         android:layout_height="wrap_content"
         android:text="@string/watch_info_about_worker"
+        android:backgroundTint="@color/colorPrimary"
+        app:cornerRadius="16dp"
         android:layout_marginTop="16dp" />
 
     <TextView
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
index b95edae..8106711 100644
--- a/app/src/main/res/layout/fragment_main.xml
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -51,6 +51,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/refresh"
+        app:cornerRadius="16dp"
         android:backgroundTint="@color/colorPrimary"
         android:textColor="@android:color/white"
         android:layout_marginBottom="12dp"
@@ -81,6 +82,7 @@
         android:text="@string/scan_qr_code"
         android:layout_marginBottom="12dp"
         android:backgroundTint="@color/colorPrimary"
+        app:cornerRadius="16dp"
         android:textColor="@android:color/white"
         android:visibility="gone" />
 
@@ -90,6 +92,7 @@
         android:layout_height="wrap_content"
         android:text="@string/logout"
         android:layout_marginBottom="50dp"
+        app:cornerRadius="16dp"
         android:backgroundTint="@color/colorPrimary"
         android:textColor="@android:color/white"
         android:visibility="gone" />
@@ -99,6 +102,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/admin_panel"
+        app:cornerRadius="16dp"
         android:backgroundTint="@color/colorPrimary"
         android:layout_marginTop="16dp"
         android:visibility="gone" />
diff --git a/app/src/main/res/layout/fragment_qr_scan_result.xml b/app/src/main/res/layout/fragment_qr_scan_result.xml
index 4e2fa4f..54f43f9 100644
--- a/app/src/main/res/layout/fragment_qr_scan_result.xml
+++ b/app/src/main/res/layout/fragment_qr_scan_result.xml
@@ -1,5 +1,6 @@
 <?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:id="@+id/qrScanResultLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -21,6 +22,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/close_button"
+        app:cornerRadius="16dp"
         android:backgroundTint="@color/colorPrimary"
         android:textColor="@android:color/white"
         android:padding="12dp"