Created attachment 300079 [details] screen shot of GTK port In the screenshot, four div elements are sibling, but aren't vertically aligned.
Created attachment 300080 [details] screen shot of Qt port Qt port also has the same problem.
Created attachment 300081 [details] Patch I created a proposed patch. But I'm not confident that this is a right fix.
Created attachment 300082 [details] screen shot of GTK port after the fix
From what I can tell, this appears to cause no issues with macOS Safari.
Comment on attachment 300081 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=300081&action=review r=me Please fix spelling issues in ChangeLog prior to landing. > Source/WebInspectorUI/ChangeLog:8 > + the tringle has 13px height and has float:left. If the line-height 'The triangle' > Source/WebInspectorUI/ChangeLog:13 > + (.tree-outline.dom li.parent): Set line-height 13px explicitly 'explicitly.'
Created attachment 300289 [details] Patch Thank you for reviewing my patch. I revised the patch.
Comment on attachment 300289 [details] Patch Clearing flags on attachment: 300289 Committed r211720: <http://trac.webkit.org/changeset/211720>
All reviewed patches have been landed. Closing bug.