Try hitting the tab key and notice how the focus stays within the modal itself. Also, esc to close modal.
Todas as empresas dessa atividade.
Plano de Saude Bradesco Cuiaba Plano de Saude Bradesco
Plano de Saude Cuiaba Bradesco Saude Sulamerica Saude Plano de Saude Bradesco Saude Cuiaba