<android.support.v7.widget.Toolbar
            android:id="@+id/drawer_toolbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="?attr/colorPrimary"
            app:titleTextAppearance="@style/AppTheme.Widget.Toolbar.Title"
            android:theme="@style/AppTheme.Widget.Toolbar"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            android:elevation="8dp"
            android:paddingBottom="0dp"
            android:layout_margin="0dp"/>