More transparent extra buttons

app/src/main/res/layout/fragment_messages.xml

@@ -219,7 +219,7 @@
                 android:id="@+id/ibDown"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/title_accessibility_scroll_down"
                 android:padding="12dp"
@@ -234,7 +234,7 @@
                 android:id="@+id/ibUp"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/title_accessibility_scroll_up"
                 android:padding="12dp"
@@ -249,7 +249,7 @@
                 android:id="@+id/ibOutbox"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/title_folder_outbox"
                 android:padding="12dp"
@@ -262,7 +262,7 @@
                 android:id="@+id/tvOutboxCount"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:paddingHorizontal="6dp"
                 android:paddingVertical="3dp"
                 android:text="3"
@@ -288,7 +288,7 @@
                 android:id="@+id/ibSeen"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/title_accessibility_filter_out_seen"
                 android:padding="12dp"
@@ -303,7 +303,7 @@
                 android:id="@+id/ibUnflagged"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/title_accessibility_filter_out_unflagged"
                 android:padding="12dp"
@@ -317,7 +317,7 @@
                 android:id="@+id/ibSnoozed"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:alpha="0.5"
+                android:alpha="0.4"
                 android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/title_accessibility_filter_out_snoozed"
                 android:padding="12dp"