diff --git a/assets/timber.scss.liquid b/assets/timber.scss.liquid
index 6a3364bd3..8be7eb852 100755
--- a/assets/timber.scss.liquid
+++ b/assets/timber.scss.liquid
@@ -989,7 +989,7 @@ hr {
   }
 }
 
-.rte-header {
+.rte--header {
   margin-bottom: 0;
 }
 
diff --git a/templates/cart.liquid b/templates/cart.liquid
index 3dcdb0987..d6d47d1fa 100755
--- a/templates/cart.liquid
+++ b/templates/cart.liquid
@@ -80,7 +80,8 @@
                   For more info on line item properties, visit:
                     - http://docs.shopify.com/support/your-store/products/how-do-I-collect-additional-information-on-the-product-page-Like-for-a-monogram-engraving-or-customization
                 {% endcomment %}
-                {% if item.properties.size > 0 %}
+                {% assign propertySize = item.properties | size %}
+                {% if propertySize > 0 %}
                   {% for p in item.properties %}
                     {% unless p.last == blank %}
                       {{ p.first }}: