Go to Pages → All Pages.
Now search for "Checkout" option.
Now click on "Edit" button.
[Do this if WooCommerce manages your checkout page]
Go to WooCommerce → Settings → Advanced.
Verify which page is assigned as the Checkout Page.
Select that checkout page to edit.
+ Add Block button.<div id="<style>@media (max-width:500px){.responsive-card{flex-direction:column!important;align-items:flex-start!important}.responsive-image{width:100%!important;margin-bottom:15px}}</style><div style="display:flex;align-items:center;gap:24px;width:100%;max-width:100%;background-color:#f9f9f9;border:1px solid #e0e0e0;border-radius:5px;padding:12px;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;margin-bottom:10px"class=responsive-card><div style=flex-shrink:0;width:160px;height:110px;background-color:#fff;display:flex;align-items:center;justify-content:center;border-radius:4px class=responsive-image><img alt=Gift src="https://cdn.shopify.com/s/files/1/0604/7655/5377/files/fd2c1a96b654e220d09525f006482477.gif?v=1746432062"style=width:100%;height:auto></div><div style=flex:1><h2 style="margin:0 0 10px 0;font-size:15px;color:#111;font-weight:600">Vip Perks Unlocked!</h2><p style="margin:0 0 18px 0;font-size:13px;line-height:1.5;color:#333"><strong>Hey, You rock!</strong> Here are your personalized coupons — redeem them at any partner store on your next spree. Let the savings begin!</p><a href=https://rewards.nitrocommerce.ai style=color:#1a56cc;text-decoration:underline;font-weight:600;font-size:13px target=_blank>View Rewards</a></div></div>">
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