Small layout improvement

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

@@ -5,6 +5,7 @@
     android:id="@+id/scroll"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:fadeScrollbars="false"
     android:paddingStart="6dp"
     android:paddingTop="12dp"
     android:paddingEnd="6dp"
@@ -102,7 +103,7 @@
             android:contentDescription="@string/title_setup_help"
             android:padding="6dp"
             android:scaleType="fitCenter"
-            android:tint="?attr/colorWarning"
+            android:tint="?attr/colorAccent"
             android:tooltipText="@string/title_setup_help"
             app:layout_constraintBottom_toBottomOf="@id/btnQuick"
             app:layout_constraintEnd_toEndOf="parent"