Dark mode fix

_includes/breadcrumbs.html

@@ -1,4 +1,4 @@
-<nav aria-label="breadcrumb">
+<nav id="breadcrumb" aria-label="breadcrumb">
   {% assign crumbs = page.url | remove:'/index.html' | split: '/' %}
   <ol class="breadcrumb" itemscope itemtype="https://schema.org/BreadcrumbList">
     <li class="breadcrumb-item">

assets/css/dark.scss

@@ -125,7 +125,8 @@ img {
 
 .card,
 .jumbotron,
-.list-group-item {
+.list-group-item,
+ol.breadcrumb {
   background: $dark-800;
 }