As per Bootstrap recommendation, buttons with tooltips inside button groups require to have container: 'body' set. This prevents tooltips from causing the buttons to jump on hover and also allows the tooltips to be wider instead of wrapping on every space. Ref: https://getbootstrap.com/docs/3.3/components/#btn-groups Signed-off-by: Tomasz Wilczyński <twilczynski@naver.com>