<xf:button type="submit" fa="fa-credit-card" class="button--primary button--normal" name="payment_profile_id" value="123">
Credit / debit card
</xf:button>
<span class="u-muted" style="margin: 0 5px;">or</span>
<xf:button type="submit" fa="fab fa-cc-paypal" class="button--primary button--normal" name="payment_profile_id" value="1234">
PayPal
</xf:button>