diff --git a/templates/checkout/_partials/cart-voucher.tpl b/templates/checkout/_partials/cart-voucher.tpl
index fc0b5ca..7a0eb10 100644
--- a/templates/checkout/_partials/cart-voucher.tpl
+++ b/templates/checkout/_partials/cart-voucher.tpl
@@ -58,7 +58,7 @@
                 <input type="hidden" name="token" value="{$static_token}">
                 <input type="hidden" name="addDiscount" value="1">
                 <input class="promo-input" type="text" name="discount_name" placeholder="{l s='Promo code' d='Shop.Theme.Checkout'}">
-                <button type="submit" class="px-4 py-2 uppercase font-medium border border-gray-900 text-center"><span>{l s='Add' d='Shop.Theme.Actions'}</span></button>
+                <button type="submit" class="px-4 py-2 uppercase font-medium border text-center  border-blue-950 hover:text-blue-900 hover:border-blue-900 hover:underline text-blue-950"><span>{l s='Add' d='Shop.Theme.Actions'}</span></button>
               </form>
             {/block}