I have made an interactive PDF. When my rollover buttons appear, they are distorted.

[default9tdx294goarc]

I have made my interactive PDF within InDesign. However, when my rollover buttons appear, the objects are distorted. Please see the examples attached. Thanks 

[BobLevine]

Looks okay to me, but I'd avoid all of this anyway. It's not likely to work on many 3rd party PDF readers and won't work at all on mobile.