Align banner to center

Author: dshevtsov

src/_includes/layout/page-header.html

@@ -13,7 +13,7 @@
 
   {% if page.url contains "guides/v2.3/" %}
   <div class="message-banner">
-    {{site.data.var.ee}} 2.3 reached end of support in September 2022.
+    <center>{{site.data.var.ee}} 2.3 reached end of support in September 2022.</center>
   </div>
   {% endif %}
 

src/guides/v2.3/index.html

@@ -3,7 +3,7 @@
 ---
 
 <section class="home-features">
-  <div class="bs-callout-warning">{{site.data.var.ee}} 2.3 reached end of support in September 2022.</div>
+  <div class="bs-callout-warning"><center>{{site.data.var.ee}} 2.3 reached end of support in September 2022.</center></div>
   <div class="container">
 
     <div class="feature">