The + combinator is used to select an element that is directly after a specific element.
The following example selects the first p element that immediately follows a div, and share the same parent:
Paragraph 1 in the div.
Paragraph 2 in the div.
Paragraph 3. After a div.
Paragraph 4. After a div.
Paragraph 5 in the div.
Paragraph 6 in the div.
Paragraph 7. After a div.
Paragraph 8. After a div.