diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 01d3b93..9c6c152 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -12,8 +12,8 @@ android {
         applicationId = "uk.kagurach.android101"
         minSdk = 31
         targetSdk = 34
-        versionCode = 158
-        versionName = "1.5.8"
+        versionCode = 159
+        versionName = "1.5.9"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index c585eab..1f66297 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -52,7 +52,7 @@
             android:layout_weight="1"
             android:text="@string/next_page"
             android:enabled="false"
-            android:backgroundTint="#4DB6AC" />
+            android:backgroundTint="?colorSecondary" />
 
 
 
diff --git a/app/src/main/res/layout/activity_main2.xml b/app/src/main/res/layout/activity_main2.xml
index f9a711a..ce1e07a 100644
--- a/app/src/main/res/layout/activity_main2.xml
+++ b/app/src/main/res/layout/activity_main2.xml
@@ -109,6 +109,7 @@
                     android:layout_weight="1"
                     android:onClick="setUnit_sp"
                     android:layout_marginStart="5dp"
+                    android:backgroundTint="?colorPrimary"
                     android:text="70sp" />
 
                 <Button
@@ -118,6 +119,7 @@
                     android:layout_weight="1"
                     android:onClick="setUnit_dp"
                     android:layout_marginHorizontal="10dp"
+                    android:backgroundTint="?colorSecondary"
                     android:text="70dp" />
 
                 <Button
@@ -127,6 +129,7 @@
                     android:layout_weight="1"
                     android:onClick="setUnit_px"
                     android:text="70px"
+                    android:backgroundTint="?colorTertiary"
                     tools:ignore="PxUsage" />
 
             </LinearLayout>
@@ -251,6 +254,7 @@
                         android:layout_weight="1"
                         android:layout_marginStart="20dp"
                         android:text="@string/test_color"
+                        android:backgroundTint="?colorPrimary"
                         android:textAllCaps="false"/>
 
 
@@ -262,6 +266,7 @@
                         android:layout_weight="1"
                         android:text="@string/set_color"
                         android:textAllCaps="false"
+                        android:backgroundTint="?colorTertiary"
                         android:onClick="setColor"/>
                 </LinearLayout>
             </LinearLayout>
@@ -301,6 +306,7 @@
                         android:layout_marginStart="30dp"
                         android:onClick="setSize"
                         android:textAllCaps="false"
+                        android:backgroundTint="?colorTertiary"
                         android:text="@string/set" />
                 </LinearLayout>
 
diff --git a/app/src/main/res/layout/activity_page4.xml b/app/src/main/res/layout/activity_page4.xml
index 329b8a9..ad62179 100644
--- a/app/src/main/res/layout/activity_page4.xml
+++ b/app/src/main/res/layout/activity_page4.xml
@@ -77,7 +77,7 @@
             android:layout_marginHorizontal="10dp"
             android:layout_height="match_parent"
             android:id="@+id/P4Vibrate"
-            android:backgroundTint="#7E57C2"
+            android:backgroundTint="?colorTertiary"
             android:text="@string/vibrate"
             />
 
diff --git a/app/src/main/res/layout/activity_page5.xml b/app/src/main/res/layout/activity_page5.xml
index 871e441..d172df4 100644
--- a/app/src/main/res/layout/activity_page5.xml
+++ b/app/src/main/res/layout/activity_page5.xml
@@ -93,14 +93,14 @@
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
                 android:layout_marginEnd="15dp"
-                android:backgroundTint="#D50000"
+                android:backgroundTint="?colorTertiary"
                 android:text="@string/clean_data"/>
             <Button
                 android:id="@+id/P5QueryButton"
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
                 android:layout_marginEnd="15dp"
-                android:backgroundTint="#9FA8DA"
+                android:backgroundTint="?colorSecondary"
                 android:text="@string/query"/>
             <Button
                 android:id="@+id/P5NextPage"
diff --git a/app/src/main/res/layout/activity_setting_page.xml b/app/src/main/res/layout/activity_setting_page.xml
index 6ba2b08..7a53e0d 100644
--- a/app/src/main/res/layout/activity_setting_page.xml
+++ b/app/src/main/res/layout/activity_setting_page.xml
@@ -61,7 +61,7 @@
                     android:layout_height="40dp"
                     android:layout_marginVertical="15dp"
                     android:layout_marginStart="30dp"
-                    android:background="#E53935"
+                    android:background="#E57373"
                     android:contentDescription="@string/add" />
 
                 <ImageButton
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 348524b..eb1da33 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -1,14 +1,12 @@
 <resources>
     <!-- Base application theme. -->
     <style name="Theme.Android101" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
-        <!-- Primary brand color. -->
         <item name="colorPrimary">#039BE5</item>
-        <item name="colorPrimaryVariant">#D500F9</item>
-        <item name="colorOnPrimary">@color/white</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/black</item>
-        <item name="colorSecondaryVariant">@color/black</item>
-        <item name="colorOnSecondary">@color/black</item>
+        <item name="colorSecondary">#03e5bf</item>
+        <item name="colorTertiary">#e5039a</item>
+        <!-- Status bar color. -->
+        <item name="overlapAnchor">false</item>
+        <item name="android:dropDownVerticalOffset">?attr/actionBarSize</item>
         <!-- Status bar color. -->
         <item name="android:statusBarColor">#0D47A1</item>
         <!-- Customize your theme here. -->
@@ -19,8 +17,8 @@
     
     <style name="Theme.Blue" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <item name="colorPrimary">#039BE5</item>
-        <item name="colorSecondary">#1976D2</item>
-        <item name="colorSecondaryVariant">#81D4FA</item>
+        <item name="colorSecondary">#03e5bf</item>
+        <item name="colorTertiary">#e5039a</item>
         <!-- Status bar color. -->
         <item name="android:statusBarColor">#0D47A1</item>
         <item name="overlapAnchor">false</item>
@@ -29,21 +27,17 @@
 
     <style name="Theme.Green" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <item name="colorPrimary">#43A047</item>
-        <item name="colorSecondary">#388E3C</item>
-        <item name="colorSecondaryVariant">#A5D6A7</item>
+        <item name="colorSecondary">#a0439b</item>
+        <item name="colorTertiary">#439ba0</item>
         <!-- Status bar color. -->
         <item name="android:statusBarColor">#0D47A1</item>
         <item name="overlapAnchor">false</item>
         <item name="android:dropDownVerticalOffset">?attr/actionBarSize</item>
     </style>
     <style name="Theme.Red" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
-        <item name="colorPrimary">#E53935</item>
-        <item name="colorPrimaryVariant">#D500F9</item>
-        <item name="colorOnPrimary">@color/white</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/black</item>
-        <item name="colorSecondaryVariant">@color/black</item>
-        <item name="colorOnSecondary">@color/black</item>
+        <item name="colorPrimary">#E57373</item>
+        <item name="colorSecondary">#e573ac</item>
+        <item name="colorTertiary">#73e573</item>
         <!-- Status bar color. -->
         <item name="android:statusBarColor">#0D47A1</item>
         <item name="overlapAnchor">false</item>
@@ -51,12 +45,8 @@
     </style>
     <style name="Theme.Cyan" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <item name="colorPrimary">#00ACC1</item>
-        <item name="colorPrimaryVariant">#D500F9</item>
-        <item name="colorOnPrimary">@color/white</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/black</item>
-        <item name="colorSecondaryVariant">@color/black</item>
-        <item name="colorOnSecondary">@color/black</item>
+        <item name="colorSecondary">#00c177</item>
+        <item name="colorTertiary">#c100aa</item>
         <!-- Status bar color. -->
         <item name="android:statusBarColor">#0D47A1</item>
         <item name="overlapAnchor">false</item>
@@ -64,12 +54,8 @@
     </style>
     <style name="Theme.Pink" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <item name="colorPrimary">#FF80AB</item>
-        <item name="colorPrimaryVariant">#D500F9</item>
-        <item name="colorOnPrimary">@color/white</item>
-        <!-- Secondary brand color. -->
-        <item name="colorSecondary">@color/black</item>
-        <item name="colorSecondaryVariant">@color/black</item>
-        <item name="colorOnSecondary">@color/black</item>
+        <item name="colorSecondary">#ff80ea</item>
+        <item name="colorTertiary">#ffb51f</item>
         <!-- Status bar color. -->
         <item name="android:statusBarColor">#0D47A1</item>
         <item name="overlapAnchor">false</item>