server/views/nav.jade
nav(class="navbar navbar-default navbar-fixed-top")
div.container
a.navbar-brand Lan IoT
div#navbar(class="collapse navbar-collapse")
ul(class="nav navbar-nav")
li(role="presentation")
a(href="/") Home
li(role="presentation")
a(href="/login") Login
li(role="presentation")
a(href="/register") Register
li(role="presentation")
a(href="/logout") Logout