fix username color

templates/layout.html

@@ -40,7 +40,7 @@
           </ul>
           <ul class="nav navbar-nav navbar-right">
           {{if .user}}
-            <li>{{.user.Username}}</li>
+            <li><a href="">{{.user.Username}}</a></li>
             <li><form method="POST" action="/logout">{{ .csrfField }}<input type="submit" value="Logout"  class="btn btn-sm btn-primary btn-block" /></form></li>
           {{else}}
             <li><a href="/login">Log in</a></li>