Avoid LESS nesting if isn't needed

less/tables.less

@@ -91,14 +91,12 @@ th {
       }
     }
   }
-  > thead {
-    > tr {
+  > thead > tr {
     > th,
     > td {
       border-bottom-width: 2px;
     }
   }
-  }
 }
 
 
@@ -106,15 +104,11 @@ th {
 //
 // Default zebra-stripe styles (alternating gray and transparent backgrounds)
 
-.table-striped {
-  > tbody {
-    > tr:nth-child(odd) {
+.table-striped > tbody > tr:nth-child(odd) {
   > td,
   > th {
     background-color: @table-bg-accent;
   }
-    }
-  }
 }
 
 
@@ -122,15 +116,11 @@ th {
 //
 // Placed here since it has to come after the potential zebra striping
 
-.table-hover {
-  > tbody {
-    > tr:hover {
+.table-hover > tbody > tr:hover {
   > td,
   > th {
     background-color: @table-bg-hover;
   }
-    }
-  }
 }
 
 
@@ -191,7 +181,7 @@ table {
     border: 1px solid @table-border-color;
     -webkit-overflow-scrolling: touch;
 
-    // Tighten up spacing and give a background color
+    // Tighten up spacing
     > .table {
       margin-bottom: 0;