Fix breadcrumbs (#605)

Author: jarrodmillman

layouts/partials/breadcrumbs.html

@@ -1,15 +1,16 @@
+<nav aria-label="Breadcrumb">
 <ul id="breadcrumbs" class="bd-breadcrumbs">
-  {{- range $index, $ := .Ancestors.Reverse }}
-  {{ if $index }}
-
-  {{ or .Title
-        (errorf "Missing breadcrumb: Page has no \"title\" field.  Filename:%q"
-                .File.Filename) }}
-
-  <li class="breadcrumb-item"><a href="{{ .RelPermalink }}">{{ .Title }}</a></li>
-  {{ else }}
-  <li class="breadcrumb-item breadcrumb-home"><a href="{{ .RelPermalink }}"><i class="fas fa-home"></i></a></li>
-  {{ end }}
-  {{- end }}
-  <li class="breadcrumb-item"><a href="{{ .RelPermalink }}">{{ .Title }}</a></li>
+{{- range $index, $ := .Ancestors.Reverse }}
+{{- if (eq $index 0) }}
+  <li class="breadcrumb-item breadcrumb-home"><a href="{{ .RelPermalink }}" class="nav-link" aria-label="Home"><i class="fas fa-home"></i></a></li>
+{{- else }}
+{{- if .Title }}
+  <li class="breadcrumb-item"><a href="{{ .RelPermalink }}" class="nav-link">{{ .Title }}</a></li>
+{{ else }}
+  {{ errorf "Page has no \"title\" field.  Filename:%q" .File.Filename }}
+{{ end }}
+{{- end }}
+{{- end }}
+  <li class="breadcrumb-item active" aria-current="page">{{ .Title }}</li>
 </ul>
+</nav>