Fix navbar style issue with Spanish and Japanese (fixes #507)

public/css/style.css

@@ -241,8 +241,9 @@ div.container div.blockBody:nth-of-type(2) table tr:first-of-type th:last-of-typ
 }
 #mainmenu .navbar-form select.form-control#max
 {
-  width: 8rem;
+  width: 6rem;
 }
+
 .special-img 
 {
     position: relative;