Merge pull request mdn#121 from tlylt/fix-css-media

Update CSS to fix margin bottom of learn/media-queries/grid.html

Author: estelle

learn/media-queries/grid.html

@@ -41,6 +41,10 @@
         background-color: rgba(207, 232, 220, 0.7);
       }
 
+      .content {
+        margin-bottom: 1em;
+      }
+
       .related {
         background-color: rgba(79, 185, 227, 0.3);
         border: 1px solid rgb(79, 185, 227);