garbage collection

layouts/_default/teacher.html

@@ -0,0 +1,13 @@
+<div class="card border-0 rounded-0 hover-shadow mb-5">
+  <img class="card-img-top rounded-0" src="{{ .Params.Image | relURL }}" alt="{{ .Title }}">
+  <div class="card-body">
+    <h4 class="card-title"><a href="{{ .Permalink }}">{{ .Title }}</a></h4>
+    <p>{{ .Params.Course }}</p>
+    <ul class="list-inline">
+      {{ range .Params.Contact }}
+      <li class="list-inline-item"><a class="text-color" href="{{ .link | safeURL }}"><i class="{{ .icon }}"></i></a>
+      </li>
+      {{ end }}
+    </ul>
+  </div>
+</div>