In Meteor, how do I show newly inserted data as greyed out until it's been confirmed by the server?

Say my application has a list of items of some kind, and users can insert new items in the list.

What Meteor normally does is: when a user inserts an item in the list, it appears in their browser immediately, without waiting for server confirmation.

What I want is: when an item is in this state (submitted but not yet acknowledged by the server), it appears at its correct position in the list, but greyed out.

Is there a way to make Meteor do this?