diff --git a/seed_data/challenges/basic-html5-and-css.json b/seed_data/challenges/basic-html5-and-css.json
index 12f5fce01fd..5bd980f54d4 100644
--- a/seed_data/challenges/basic-html5-and-css.json
+++ b/seed_data/challenges/basic-html5-and-css.json
@@ -2371,7 +2371,9 @@
         "CSS allows you to control the margin of an element on all four sides with <code>margin-top</code>, <code>margin-right</code>, <code>margin-bottom</code>, and <code>margin-left</code> attributes."
       ],
       "tests": [
+        "assert($('.green-box').css('margin-top') === '40px', 'Your <code>green-box</code> class should give the top of elements 40px of margin.')",
         "assert($('.green-box').css('margin-left') === '40px', 'Your <code>green-box</code> class should give the left of elements 40px of margin.')",
+        "assert($('.green-box').css('margin-right') === '20px', 'Your <code>green-box</code> class should give the right of elements 20px of margin.')",
         "assert($('.green-box').css('margin-bottom') === '20px', 'Your <code>green-box</code> class should give the bottom of elements 20px of margin.')"
       ],
       "challengeSeed": [