mj-social-mode.mjml

<mjml>
  <mj-body>
    <mj-section>
      <mj-column>
        <mj-social mode="vertical">
          <mj-social-element name="github">
						Github
          </mj-social-element>
          <mj-social-element name="youtube">
						Youtube
          </mj-social-element>
        </mj-social>
      </mj-column>
    </mj-section>
  </mj-body>
</mjml>