added responsive web designing!

css/wanderer.css

@@ -749,6 +749,13 @@ footer {
     margin: 0;
 }
 
+@media only screen and (max-width: 600px) {
+    #main-nav {
+	float: left;
+	margin: 19px 2px auto;
+    }
+}
+
 #main-nav li {
     margin-top: 0;
 }