Dropdown menus do not render.
<nav class="navbar navbar-default navbar-fixed-top" id="navbar-main">
<div class="container-fluid">
<div class="navbar-header">
<a clas="navbar-brand" href="{{.Site.BaseURL | relURL}}">
<span id = "blog_logo">
<img src="{{ .Site.Params.logo.url | relURL }}" alt="Blog Logo" style="height: 40px; width:40px">
</span>
{{if .IsHome}}
{{if .Site.Params.showtitle}}
<span id = "blog_title">
{{.Site.Title}}
</span>
{{end}}
{{end}}
</a>
</div>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav navbar-right">
{{ range .Site.Menus.main }}
<li><a href="{{ .URL | relURL }}">{{ .Pre }}{{ .Name }}</a></li>
{{ end }}
</ul>
</div>
</nav>