further adjusted navigation link styles

public/css/main.css

@@ -182,10 +182,12 @@ header h1 {
 nav li {
     font-size: 1.5em;
     line-height: 2;
-    font-weight: bold;
     display: inline;
     padding: 0 15px;
 }
+nav li a {
+    color: #337ab7;
+}
 
 /* footer styles */
 footer {