readable.css in bootswatch_rails-3.3.5.2

- old
+ new

@@ -6833,10 +6833,10 @@
 @media (min-width: 768px) {
   .navbar .navbar-nav > li > a {
     padding: 8px 12px;
   }
 }
-@media (max-width: 768px - 1) {
+@media (max-width: 767px) {
   .navbar .navbar-nav > li > a {
     margin: 0;
   }
 }
 .btn {