Remove extra focus styles

assets/sass/app.sass

@@ -9,9 +9,6 @@ a
   &:hover
     @apply underline
 
-  &:focus
-    @apply text-white bg-blue outline-none px-px -mx-px no-underline
-
 @tailwind components
 
 @import 'components/blockquote'

source/_partials/blog/post-summary.html.twig

@@ -1,6 +1,6 @@
 <div class="mb-2">
     <h2 class="text-inherit text-lg m-0">
-        <a href="{{ post.url }}" class="text-black focus:text-white inline-block">
+        <a href="{{ post.url }}" class="text-black inline-block">
             {{ post.draft ? 'Draft: '|upper }}{{ post.title }}
         </a>
     </h2>