How to make button and ion-title in in ion-navbar in Ionic 3?

ion slotION Slot; Slot88; Crowd Play; Avantplay; Mostrar mais... Mostrar menos... JOGUE COM RESPONSABILIDADE: utilize as porcentagens apenas como referência para entretenimento!ion-list-header shadow. List headers are block elements that are used to describe the contents of a list. Unlike item dividers, list headers should only be used once at the top of a list of items.