title: how to give different .mat-ink-bar for different mat-tabs?
body: <p>How to give different <code>.mat-ink-bar</code> for different <code>mat-tabs</code>?</p>
  <p><strong>For example:</strong></p>
  <p>For content 1 the <code>.mat-ink-bar</code> should be <strong>green</strong> and for content 2 the <code>.mat-ink-bar</code> should be <strong>red</strong>.</p>