Different buttons looks almost identical: "btn-outline-secondary" and "btn-outline-dark disabled"
Created by: vaags
See plunker: https://plnkr.co/edit/hBi8RhSqgtnLtki0K0KS?p=preview
Created by: vaags
See plunker: https://plnkr.co/edit/hBi8RhSqgtnLtki0K0KS?p=preview