Content top with tabs-top + header + subheader

Hello guys, I’ve searched about the top margin of ion-content when is placed tabs-top with header + subheader, once the directives of tabs automatically applies the classes: has-header, has-subheader and has-tabs-top with the top 137px. But I not found yet a clear solution to fix this.
Some one can help-me please?

Here is the codepen: