mj-hero.mjml

<mjml>
  <mj-body>
    <mj-hero>
      <mj-text>
        GO TO SPACE
      </mj-text>
      <mj-button href="https://jolimail.io/">
        ORDER YOUR TICKET NOW
      </mj-button>
    </mj-hero>
  </mj-body>
</mjml>