<ImageButton
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/action_favourite_item_download"
    android:layout_width="24dp"
    android:layout_height="24dp"
    android:layout_gravity="center_vertical"
    android:layout_marginStart="16dp"
    android:layout_marginLeft="16dp"
    android:contentDescription="Download this sign"
    android:src="@drawable/ic_cloud_download"
    android:background="@android:color/transparent"
    android:tint="@color/accent" />
<ImageButton
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/action_favourite_item_download"
    android:layout_width="24dp"
    android:layout_height="24dp"
    android:layout_gravity="center_vertical"
    android:layout_marginStart="16dp"
    android:layout_marginLeft="16dp"
    android:contentDescription="Download this sign"
    android:src="@android:drawable/stat_sys_download"
    android:background="@android:color/transparent"
    android:tint="@color/accent" />
Change icon used for download button to match menu
Change icon used for download button to match menu
