more nesting in table.less

less/tables.less

@@ -152,9 +152,11 @@ table {
 // Exact selectors below required to override `.table-striped` and prevent
 // inheritance to nested tables.
 
-.table > thead > tr,
-.table > tbody > tr,
-.table > tfoot > tr {
+.table {
+  > thead,
+  > tbody,
+  > tfoot {
+    > tr {
       > td.active,
       > th.active,
       &.active > td,
@@ -162,6 +164,8 @@ table {
         background-color: @table-bg-active;
       }
     }
+  }
+}
 
 // Generate the contextual variants
 .table-row-variant(success; @state-success-bg; @state-success-border);