{{ define "guestbookcreate" }}
<form action="/guestbooks/create" method="post">
    <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
    <label for="siteurl">Site URL: </label>
    <input type="text" name="siteurl" id="siteurl" required />
    <input type="submit" />
</form>
{{ end }}