Move header into h3

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

core/templates/loginflow/authpicker.php

@@ -36,9 +36,12 @@ $urlGenerator = $_['urlGenerator'];
 		])) ?>
 	</p>
 
-	<p class="warning">
-		<?php print_unescaped($l->t('<strong>Security warning:</strong> If you are not trying to set up a new device or app, someone is trying to trick you into granting them access to your data. In this case do not proceed and instead contact your system administrator.')) ?>
-	</p>
+	<span class="warning">
+		<h3><?php p('Security warning') ?></h3>
+		<p>
+			<?php p($l->t('If you are not trying to set up a new device or app, someone is trying to trick you into granting them access to your data. In this case do not proceed and instead contact your system administrator.')) ?>
+		</p>
+	</span>
 
 	<br/>
 

core/templates/loginflowv2/authpicker.php

@@ -35,9 +35,12 @@ $urlGenerator = $_['urlGenerator'];
 		])) ?>
 	</p>
 
-	<p class="warning">
-		<?php print_unescaped($l->t('<strong>Security warning:</strong> If you are not trying to set up a new device or app, someone is trying to trick you into granting them access to your data. In this case do not proceed and instead contact your system administrator.')) ?>
-	</p>
+	<span class="warning">
+		<h3><?php p('Security warning') ?></h3>
+		<p>
+			<?php p($l->t('If you are not trying to set up a new device or app, someone is trying to trick you into granting them access to your data. In this case do not proceed and instead contact your system administrator.')) ?>
+		</p>
+	</span>
 
 	<br/>