Sorry if this sounds like a dumbass newbie question. I'm getting crazy or something, but somehow I can't get this simple thing to work:

1. In general, how do I center text and/or images vertically?

2. How would I do a top bar with a logo on the left, and an icon + text + combobox (small form with one select item) on the right, all vertically centered to eachother?
Like this:


And with "how",...