diff --git a/app/src/main/res/layout/activity_donate.xml b/app/src/main/res/layout/activity_donate.xml
index 5b055a8..82b0123 100644
--- a/app/src/main/res/layout/activity_donate.xml
+++ b/app/src/main/res/layout/activity_donate.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.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:id="@+id/content"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -13,7 +12,7 @@
         app:liftOnScroll="true">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
-            style="?attr/collapsingToolbarLayoutLargeStyle"
+            style="@style/ToolbarStyle"
             android:layout_width="match_parent"
             android:layout_height="?attr/collapsingToolbarLayoutLargeSize"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">
@@ -24,20 +23,49 @@
                 android:layout_height="?attr/actionBarSize"
                 app:layout_collapseMode="pin"
                 app:navigationIcon="@drawable/ic_arrow_back"
-                app:title="@string/help_donate" />
+                app:title="@string/help_donate"
+                app:titleCentered="@bool/titleCentered" />
 
         </com.google.android.material.appbar.CollapsingToolbarLayout>
 
     </com.google.android.material.appbar.AppBarLayout>
 
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recyclerView"
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/scrollView"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:clipToPadding="false"
-        android:paddingTop="16dp"
-        android:paddingBottom="16dp"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:clipToPadding="false">
+
+            <LinearLayout
+                android:id="@+id/scrollViewContent"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:clipToPadding="false"
+                android:orientation="vertical"
+                android:paddingTop="16dp"
+                android:paddingBottom="16dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintWidth_max="@dimen/sheetMaxWidth">
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/recyclerView"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:clipToPadding="false"
+                    android:nestedScrollingEnabled="false" />
+
+            </LinearLayout>
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </androidx.core.widget.NestedScrollView>
 
     <ProgressBar
         android:id="@+id/progressView"
diff --git a/app/src/main/res/layout/activity_lab.xml b/app/src/main/res/layout/activity_lab.xml
index 6279017..edc78ee 100644
--- a/app/src/main/res/layout/activity_lab.xml
+++ b/app/src/main/res/layout/activity_lab.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.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:id="@+id/content"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -13,7 +12,7 @@
         app:liftOnScroll="true">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
-            style="?attr/collapsingToolbarLayoutLargeStyle"
+            style="@style/ToolbarStyle"
             android:layout_width="match_parent"
             android:layout_height="?attr/collapsingToolbarLayoutLargeSize"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">
@@ -24,7 +23,8 @@
                 android:layout_height="?attr/actionBarSize"
                 app:layout_collapseMode="pin"
                 app:navigationIcon="@drawable/ic_arrow_back"
-                app:title="@string/help_test" />
+                app:title="@string/help_test"
+                app:titleCentered="@bool/titleCentered" />
 
         </com.google.android.material.appbar.CollapsingToolbarLayout>
 
@@ -37,32 +37,42 @@
         android:clipToPadding="false"
         app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
-        <LinearLayout
-            android:id="@+id/scrollViewContent"
+        <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:clipToPadding="false"
-            android:orientation="vertical">
+            android:layout_height="wrap_content">
 
-            <TextView
-                android:layout_width="match_parent"
+            <LinearLayout
+                android:id="@+id/scrollViewContent"
+                android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="16dp"
-                android:layout_marginTop="16dp"
-                android:layout_marginEnd="16dp"
-                android:text="@string/lab_sensors"
-                android:textAppearance="?textAppearanceLabelMedium"
-                android:textColor="?colorTertiary" />
+                android:clipToPadding="false"
+                android:orientation="vertical"
+                android:paddingTop="16dp"
+                android:paddingBottom="16dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintWidth_max="@dimen/sheetMaxWidth">
 
-            <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/sensorsRecyclerView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="16dp"
-                android:layout_marginBottom="16dp"
-                android:nestedScrollingEnabled="false" />
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:text="@string/lab_sensors"
+                    android:textAppearance="?textAppearanceLabelMedium"
+                    android:textColor="?colorTertiary" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/sensorsRecyclerView"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="16dp"
+                    android:nestedScrollingEnabled="false" />
 
-        </LinearLayout>
+            </LinearLayout>
+            
+        </androidx.constraintlayout.widget.ConstraintLayout>
 
     </androidx.core.widget.NestedScrollView>
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 52e68da..ceca900 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -13,7 +13,7 @@
         app:liftOnScroll="true">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
-            style="?attr/collapsingToolbarLayoutLargeStyle"
+            style="@style/ToolbarStyle"
             android:layout_width="match_parent"
             android:layout_height="?attr/collapsingToolbarLayoutLargeSize"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">
@@ -23,7 +23,8 @@
                 android:layout_width="match_parent"
                 android:layout_height="?attr/actionBarSize"
                 app:layout_collapseMode="pin"
-                app:title="@string/app_name" />
+                app:title="@string/app_name"
+                app:titleCentered="@bool/titleCentered" />
 
         </com.google.android.material.appbar.CollapsingToolbarLayout>
 
@@ -42,16 +43,16 @@
 
             <LinearLayout
                 android:id="@+id/scrollViewContent"
-                android:layout_width="match_parent"
+                android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="@dimen/sheetMarginStart"
                 android:clipToPadding="false"
                 android:orientation="vertical"
                 android:paddingTop="16dp"
                 android:paddingBottom="16dp"
+                app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintWidth_max="520dp">
+                app:layout_constraintWidth_max="@dimen/sheetMaxWidth">
 
                 <com.google.android.material.card.MaterialCardView
                     android:id="@+id/warContainer"
diff --git a/app/src/main/res/values-ru/strings_war.xml b/app/src/main/res/values-ru/strings_war.xml
index dce67cc..e3acbec 100644
--- a/app/src/main/res/values-ru/strings_war.xml
+++ b/app/src/main/res/values-ru/strings_war.xml
@@ -3,6 +3,5 @@
     <string name="war_title" translatable="false">Разработка и поддержка приложения может быть остановлена навсегда.</string>
     <string name="war_text" translatable="false">Мой дом сейчас под обстрелом российской армией. Выходите на улицы, что бы остановить войну!</string>
     <string name="war_learn_more" translatable="false">Что происходит?</string>
-    <string name="war_learn_more_url" translatable="false">https://www.youtube.com/watch?v=9F5ZmLhIy8E</string>
 
 </resources>
diff --git a/app/src/main/res/values-w580dp/dimens.xml b/app/src/main/res/values-w580dp/dimens.xml
deleted file mode 100644
index f966f23..0000000
--- a/app/src/main/res/values-w580dp/dimens.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <dimen name="sheetMarginStart">16dp</dimen>
-</resources>
diff --git a/app/src/main/res/values-w640dp/styles.xml b/app/src/main/res/values-w640dp/styles.xml
new file mode 100644
index 0000000..a88d84a
--- /dev/null
+++ b/app/src/main/res/values-w640dp/styles.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="ToolbarStyle" parent="Widget.Material3.CollapsingToolbar.Large">
+        <item name="collapsedTitleGravity">center</item>
+        <item name="expandedTitleGravity">center_horizontal|bottom</item>
+    </style>
+
+    <item name="titleCentered" type="bool">true</item>
+
+</resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 03efaab..a2cda25 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -2,6 +2,7 @@
 <resources>
     <dimen name="actionBarSize">56dp</dimen>
     <dimen name="sheetMarginStart">0dp</dimen>
+    <dimen name="sheetMaxWidth">640dp</dimen>
     <dimen name="cardMarginHorizontal">16dp</dimen>
     <dimen name="cardCornerRadius">24dp</dimen>
 
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 227c464..53156b6 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -23,4 +23,11 @@
     <style name="ButtonElevated" parent="Widget.Material3.Button.ElevatedButton">
     </style>
 
+    <style name="ToolbarStyle" parent="Widget.Material3.CollapsingToolbar.Large">
+        <item name="collapsedTitleGravity">start|center_vertical</item>
+        <item name="expandedTitleGravity">start|bottom</item>
+    </style>
+
+    <item name="titleCentered" type="bool">false</item>
+
 </resources>