When I play Patrol, the cards to re-order are tiny and, initially, blocked by my number of actions/buys. Playing on Chrome on Windows 10. Game #637 on frankfurt-test.
The same issue comes up when choosing a prize for Tournament, which cards to discard for Cartographer, which cards to buy for Black Market, and presumably with many other cards.
Same thing happens with me (I think I mentioned this before). Also using Chrome on Windows 10.
We have found a workaround that might help you until this is fixed:
1) Start a bot match, resign from that.
2) Go to Options and tab and toggle "Move kingdom and play area".
3) Start a bot match and resign from that.
4) Go to options and toggle the setting again.
This made cards in reveal areas show up in the proper size in all of our test cases so far, so hopefully it will help you as well.
(A proper fix is still coming obviously)