Nesting should be no greater than 6

app/assets/stylesheets/framework/typography.scss

@@ -213,26 +213,25 @@
       }
 
       > tbody {
-        > tr {
-          > td {
-            border-width: 0;
+        > tr > td {
+          border-width: 0;
 
-            &:first-child {
-              border-left-width: 1px;
-            }
-
-            &:last-child {
-              border-right-width: 1px;
-            }
+          &:first-child {
+            border-left-width: 1px;
           }
 
-          &:last-child > td {
-            border-bottom-width: 1px;
+          &:last-child {
+            border-right-width: 1px;
           }
         }
+
+        > tr:last-child > td {
+          border-bottom-width: 1px;
+        }
       }
     }
 
+
     &.grid-rows {
       > thead > tr > th,
       > tbody > tr > td {