make icons more accessible

themes/hugo-sustain/layouts/shortcodes/links.html

@@ -12,9 +12,9 @@
         {{- if ne (add $index 1) $len -}}, {{- end -}} <!-- only append comma if not last element (index starts with 0) -->
       {{- end -}}
       {{- if or (.video) (.audio) (.slides) }},{{ end -}}
-      {{ with .video }}&nbsp;<a href="{{ . }}" target="_blank" title="Video Recording"><i class="fas fa-video"></i></a>{{ end }}
-      {{ with .audio }}&nbsp;<a href="{{ . }}" target="_blank" title="Audio Recording"><i class="fas fa-microphone"></i></a>{{ end }}
-      {{ with .slides }}&nbsp;<a href="{{ . }}" target="_blank" title="Slides"><i class="fas fa-desktop"></i></a>{{ end }}
+      {{ with .video }}&nbsp;<a href="{{ . }}" target="_blank" aria-label="Video Recording"><i class="fas fa-video" aria-hidden="true" title="Video Recording"></i></a>{{ end }}
+      {{- with .audio }}&nbsp;<a href="{{ . }}" target="_blank" aria-label="Audio Recording"><i class="fas fa-microphone" aria-hidden="true" title="Audio Recording"></i></a>{{ end }}
+      {{ with .slides }}&nbsp;<a href="{{ . }}" target="_blank" aria-label="Slides"><i class="fas fa-desktop" aria-hidden="true" title="Slides"></i></a>{{ end -}}
       {{- with .date }} ({{.}}){{ end }} 
       {{ range .tags }}<span class="label label-success">{{ . }}</span>&nbsp;{{ end }}
     </li>