add information flag to event items on past events, wip #2

layouts/partials/calendar_card.html

@@ -1,4 +1,5 @@
-    <div class='card calendar'>
+{{  $t := (time .Params.event_end) }} 
+    <div class='card calendar {{ if $t.Before now }}past{{end}}'>
           <article class="h-event calendar ">
             <header>
               <h2 class="p-name"><a href="{{ .Permalink }}" class="u-url">{{ .Title }}</a></h2>
@@ -26,3 +27,4 @@
 
           </article>
     </div>
+