message: fix(aio): temporarily remove the focus style of top-bar nav items
  Temporarily addresses until we upgrade to an `@angular/material` version
  that includes angular/material2@3bc82f6dc.
diff: @@ -43,9 +43,11 @@ aio-top-menu {
  &:focus {
  outline: none;
  - background: rgba($white, 0.15);
  - border-radius: 4px;
  - padding: 8px 16px;
  + // Temporarily remove the focus styling until we update to an @angular/material version that
  + // includes https://github.com/angular/material2/commit/3bc82f6dc.
  + // background: rgba($white, 0.15);
  + // border-radius: 4px;
  + // padding: 8px 16px;
  }
  }
  }
  