I think you just collected a reward from a comment or post. (It's a green big box)
You'll get it. Right now, you still have "Steem Dollars" and to vote more, you will need "Steem Power." The process is multi-stepped, but I do it from time to time.
Your posts will be paying out and you will get some at that time, also.
I can see your wallet, and you can see mine. It can help to look at someone else's transactions to see how it's done.
I'll be an expert in no time. LOL!