Revert "update postcss config for glightbox"

This reverts commit d8e4536bab.

layouts/_default/search.html

@@ -0,0 +1,9 @@
+{{ define "main" }}
+  <div class="container">
+    <div class="row">
+      <div class="col-12">
+        {{ partial "search-page.html" (dict "Context" . "Class" "your-custom-class") }}
+      </div>
+    </div>
+  </div>
+{{ end }}