I am trying to get a circular frame around my extent indicator in the overview map as shown in this video (see 3:28-3:34). However, when I choose 100 % percent rounding in the Extent Indicator Frame Properties, the result is a squared frame with rounded corners. This works just fine when I do the same for the more detailed map, which gets a nice circular frame around the wanted area, but for the overview map this does not work. What am I doing wrong?
All suggestions will be deeply appreciated!
Btw: I am using ArcMap 10.4.1.