How can I make a div not larger than its contents?

Question

I have a layout similar to:

I would like for the div to only exp

Answer 1

Not knowing in what context this will appear, but I believe the CSS-style property float either left or right will have this effect. On the other hand, it'll have other side effects as well, such as allowing text to float around it.

Please correct me if I'm wrong though, I'm not 100% sure, and currently can't test it myself.