This UI misalignment problem was found while I was working on https://drupal.org/node/2091367
When we visit taxonomy admin page : /admin/structure/taxonomy just after we install Drupal there is alignment problem. 'Operations' dropdown gets displayed under 'Weight' heading instead of getting displayed under 'Operations' heading. Once when we add a new Vocabulary this gets auto adjusted.
Also, there seems some extra '+' button seen which needs to be cleared accordingly.