vue-material/src/components/mdTabs/mdTabs.theme

.THEME_NAME {
  .md-tabs,
  &.md-tabs {
    .md-tabs-navigation {
      background-color: #{'PRIMARY-COLOR'};
    }

    .md-tab-indicator {
      background-color: #{'ACCENT-COLOR'};
    }

    &.md-accent {
      .md-tabs-navigation {
        background-color: #{'ACCENT-COLOR'};
      }

      .md-tab-indicator {
        background-color: #{'BACKGROUND-COLOR'};
      }
    }

    &.md-warn {
      .md-tabs-navigation {
        background-color: #{'WARN-COLOR'};
      }

      .md-tab-indicator {
        background-color: #{'BACKGROUND-COLOR'};
      }
    }

    &.md-transparent {
      .md-tabs-navigation {
        background-color: transparent;
      }

      .md-tab-indicator {
        background-color: #{'BACKGROUND-COLOR'};
      }
    }
  }
}