The > is the child selector, meaning the div needs to be directly inside of .wrapper (i.e., not a child of a child). The second means any div within .wrapper matches, even if it's a child of a child of a child.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.