Add classes for headings and lists

app/templates/views/delivery-and-failure.html

@@ -9,15 +9,11 @@ Delivery and failure – GOV.UK Notify
 <div class="grid-row">
   <div class="column-two-thirds">
 
-    <h1 class="heading-large">
-      Message delivery and failure
-    </h1>
-
-    <h1 id="messagedeliveryandfailure">Delivery and failure</h1>
+    <h1 id="messagedeliveryandfailure" class="heading-large">Delivery and failure</h1>
 
     <p>Our delivery states are:</p>
 
-    <ul>
+    <ul class="list list-bullet">
       <li><a href="#sending">Sending</a></li>
       <li><a href="#delivered">Delivered</a></li>
       <li><a href="#permanent-failure">Failed permanently</a></li>
@@ -27,19 +23,19 @@ Delivery and failure – GOV.UK Notify
 
     <p>Our delivery states are the same for both email and text message.</p>
 
-    <h2 id="sending">Sending</h2>
+    <h2 id="sending" class="heading-medium">Sending</h2>
 
     <p>All new messages start with the state ‘Sending’.</p>
 
     <p>If we can’t deliver a message straight away, we’ll keep trying for up to 72 hours.</p>
 
-    <h2 id="delivered">Delivered</h2>
+    <h2 id="delivered" class="heading-medium">Delivered</h2>
 
     <p>This means the message is in the person’s email inbox or on their phone.</p>
 
     <p>We can’t tell you if they’ve read it – to do so would require invasive and unreliable tracking techniques.</p>
 
-    <h2 id="permanent-failure">Failured parmanently</h2>
+    <h2 id="permanent-failure" class="heading-medium">Failured parmanently</h2>
 
     <p>This means the email address or mobile number doesn’t exist or is blacklisted – also known as a ‘hard bounce’.</p>
 
@@ -47,7 +43,7 @@ Delivery and failure – GOV.UK Notify
 
     <p><strong>You need to remove this email address or mobile number from your database.</strong></p>
 
-    <h2 id="temporary-failure">Failed temporarily</h2>
+    <h2 id="temporary-failure" class="heading-medium">Failed temporarily</h2>
 
     <p>This means the email address or mobile number was full, or the mobile phone was switched off – also known as a ‘soft bounce’.</p>
 
@@ -57,7 +53,7 @@ Delivery and failure – GOV.UK Notify
 
     <p><strong>You can choose to retry this message later or not.</strong></p>
 
-    <h2 id="technical-failure">Technical failure</h2>
+    <h2 id="technical-failure" class="heading-medium">Technical failure</h2>
 
     <p>This means there is a problem with the connection between Notify and our email or text message delivery partners.</p>