highlighting listings and adding select a region

app/views/content/is-teaching-right-for-me/teaching-internship-providers/_listing.html.erb

@@ -2,6 +2,8 @@
 
 <p>Internships last 3 weeks, start in June or July and you’ll be paid £300 per week.</p>
 
+<p>Find out how to apply, including details of teaching internship providers in each region, further down this page.</p>
+
 <section class="col col-640">
   <%= render Content::QuoteComponent.new(
     text: "The support I had was amazing, I was treated like a member of staff, and I was welcomed by everyone.",
@@ -61,6 +63,7 @@
   <li>Maximise the chances of your application succeeding with <a href="/explore-teaching-advisers">free one-to-one support from an explore teaching adviser</a>.</li>
 </ol>
 <h3>Find a teaching internship in your region</h3>
+<p>Select a region:</p>
 <section>
 <section class="providers-list">
   <%= render GroupedCards::ListingComponent.new @front_matter["provider_groups"] %>