diff --git a/layouts/partials/frontpage-announcement.html b/layouts/partials/frontpage-announcement.html
index 0db8e32805..b8c24412d9 100644
--- a/layouts/partials/frontpage-announcement.html
+++ b/layouts/partials/frontpage-announcement.html
@@ -1,6 +1,6 @@
 {{ if .Page.Param "announcement" }}
 <section lang="en" id="fp-announcement" style="background-color:{{ .Page.Param "announcement_bg" }}">
-  <main>
+  <aside>
     <div class="content announcement main-section">
 
       <h3>
@@ -9,6 +9,6 @@
       <p>{{ T "announcement_message" | markdownify }}</p>
 
     </div>
-  </main>
+  </aside>
 </section>
 {{ end }}
\ No newline at end of file
diff --git a/static/css/announcement.css b/static/css/announcement.css
index 54d4c5db55..96d1065133 100644
--- a/static/css/announcement.css
+++ b/static/css/announcement.css
@@ -33,7 +33,7 @@
   min-height: 30vh;
 }
 
-#fp-announcement main {
+#fp-announcement aside {
   padding-top: 125px;
   padding-bottom: 35px;
 }