_notification.html.erb

<div class="toast" role="alert" aria-live="assertive" aria-atomic="true" data-bs-autohide=<%= notif_autohide %>>
    <div class="toast-header">
        <strong class="me-auto"><%= notif_title %></strong>
        <small class="text-muted">just now</small>
        <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
    </div>
    <div class="toast-body">
        <%= notif_content.html_safe %>
    </div>
</div>