minor style changes

app/app.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="min-h-screen" @keydown.esc="resetFocus">
+  <div class="min-h-screen dark:bg-neutral-900" @keydown.esc="resetFocus">
     <NuxtRouteAnnouncer />
     <NuxtLayout>
       <NuxtPage ref="pageContent" />
@@ -10,7 +10,7 @@
 <script setup lang="ts">
 import { ref, onMounted, onUnmounted } from 'vue'
 
-const pageContent = ref < HTMLElement | null > (null)
+const pageContent = ref<HTMLElement | null>(null)
 
 const resetFocus = (event: KeyboardEvent) => {
   if (event.key === 'Escape') {