Fix breadcrumbs to be hideable

layouts/partials/paige/breadcrumb.html

@@ -1,11 +1,13 @@
 {{ $page := . }}
 
 {{ with .Ancestors }}
-    <nav aria-label="{{ i18n `paige_breadcrumb` }}" class="d-flex justify-content-center mt-3" id="paige-breadcrumb">
-        <ol class="breadcrumb">
-            {{ range .Reverse }}
-                <li class="breadcrumb-item"><a href="{{ .RelPermalink }}">{{ .Title | markdownify}}</a></li>
-            {{ end }}
-        </ol>
+    <nav aria-label="{{ i18n `paige_breadcrumb` }}" class="mt-3" id="paige-breadcrumb">
+        <div class="d-flex justify-content-center">
+            <ol class="breadcrumb">
+                {{ range .Reverse }}
+                    <li class="breadcrumb-item"><a href="{{ .RelPermalink }}">{{ .Title | markdownify}}</a></li>
+                {{ end }}
+            </ol>
+        </div>
     </nav>
 {{ end }}