spacing to keep the wave the same position on top-level pages

src/components/Breadcrumb.vue

 <template>
-  <div class="breadcrumb-container" v-if="crumbs.length > 0">
+  <div
+    class="breadcrumb-container"
+    :class="crumbs.length > 0 ? 'visible' : 'invisible'"
+  >
     <b-breadcrumb id="nav-breadcrumb">
       <b-breadcrumb-item
         v-for="(crumb, index) in crumbs"
@@ -68,6 +71,7 @@ export default {
 <style lang="scss" scoped>
 .breadcrumb-container {
   padding-left: 7rem;
+  min-height: 48px;
   text-transform: uppercase;
 
   #nav-breadcrumb {