Cocktail attire. This is an outdoor wedding so be prepared to bring a coat or jacket so you can be comfortable.
Yes, there is a parking structure right behind the venue. Don't worry, it's free!
Only if your invitation says "and guest."
We will most likely avoid postponing our event. In the likelihood that the state of the world remains as is, our venue has assured us that they will take all necessary precautions to host a safe and comfortable event. Masks are, of course, welcome.