I want to change nav-link style This is my try in my.component.scss tabset { a { .nav-link { background: #FFFFFF; border: 1px solid #DDE6FB; border-radius: 4px; font-family: 'Open Sans', sans-serif; font-style: normal; font-weight: 400; font-size: 14px; line-height: 22px; text-align: center; color: #000000; &.active { } } } } But it doesn't work... Template in my.component.html <tabset> <tab> <ng-template tabHeading> Tab 3 <span class="badge">12</span> </ng-template> tab content </tab> </tabset> How I can do it? Continue reading...