Fixed role for tablist

assets/scss/_custom.scss

@@ -1180,7 +1180,8 @@ svg, svg path {
   border-radius: 0.25rem;
   box-shadow: 0 0 0.125rem 0.125rem rgba(0, 0, 0, 0.6);
   clip-path: none;
-  color: black;
+  color: $black;
+  background-color: $white;
   display: block;
   font-size: 0.875rem;
   font-weight: bold;

layouts/_default/about.html

@@ -15,7 +15,7 @@
 
                     <h2>Our Expertise</h2>
 
-                    <div class="tab pb-4" aria-role="tablist">
+                    <div class="tab pb-4" role="tablist" aria-multiselectable="true">
                         {{ range (where .Site.RegularPages "Type" "services") }}
                         <button type="button" role="tab" class="tablinkservice" aria-controls="{{ .Page.Params.id }}"
                             onclick="service(event, '{{ .Page.Params.id }}')" {{ if eq .Page.Params.weight 1