Add ARIA roles, labels, and focus management to Bootstrap modals, navbars, and tabs.
Accessibility
<!-- Screen reader only -->
<span class="visually-hidden">(opens in new tab)</span>
<!-- ARIA on modals -->
<div class="modal" role="dialog" aria-modal="true" aria-labelledby="modalTitle">
<!-- ARIA on navbar -->
<button class="navbar-toggler" aria-expanded="false" aria-label="Toggle navigation">
<!-- Focus management -->
<script>
document.getElementById("myModal").addEventListener("shown.bs.modal", () => {
document.getElementById("firstInput").focus();
});
</script>