Created attachment 318411 [details] [Image] Bug Elements tab, Styles sidebar, "Styles — Rules" panel, bottom right corner: "Enter Class Name" isn't very descriptive. It doesn't suggest what's going to happen after you enter a class name.
Created attachment 318412 [details] Patch
Comment on attachment 318412 [details] Patch r=me
Comment on attachment 318412 [details] Patch Clearing flags on attachment: 318412 Committed r220875: <http://trac.webkit.org/changeset/220875>
All reviewed patches have been landed. Closing bug.
<rdar://problem/33949098>