rearrange and override extra borders

scss/_tables.scss

@@ -42,9 +42,9 @@
 }
 
 
-// Bordered version
+// Border versions
 //
-// Add borders all around the table and between all the columns.
+// Add or remove borders all around the table and between all the columns.
 
 .table-bordered {
   border: $table-border-width solid $table-border-color;
@@ -62,6 +62,14 @@
   }
 }
 
+.table-borderless {
+  th,
+  td,
+  thead th,
+  tbody + tbody {
+    border: 0;
+  }
+}
 
 // Zebra-striping
 //
@@ -151,12 +159,6 @@
   }
 }
 
-.table-borderless {
-  th,
-  td {
-    border: 0;
-  }
-}
 
 // Responsive tables
 //