fixed railway over opacity

css/dist/main.css

@@ -132,5 +132,5 @@ html, body {
       #railway ul li span.active {
         width: 7mm;
         cursor: pointer; }
-  #railway ul:hover span {
+  #railway ul:hover li {
     opacity: 1; }

css/main.scss

@@ -177,6 +177,6 @@ $navh:30mm;
         }
       }
     }
-    &:hover span{opacity: 1;}
+    &:hover li{opacity: 1;}
   }
 }