diff --git a/announcements.html b/announcements.html
--- a/announcements.html
+++ b/announcements.html
@@ -3,7 +3,7 @@
 use-site-title: true
 ---
 
-<div class="posts-list">
+<div>
   {% assign english_posts = site.posts | where: "lang", "en" %}
   {% for post in english_posts %}
   <article class="post-preview">
diff --git a/css/main.css b/css/main.css
--- a/css/main.css
+++ b/css/main.css
@@ -674,6 +674,12 @@
   flex: 1 100%;
 }
 
+@media only screen and (max-width: 1000px) {
+  .abc-blog-feed {
+    width: 96vw;
+  }
+}
+
 .doc-index-table {
   width: 100%;
   font-size: 1.7vh;
diff --git a/index.html b/index.html
--- a/index.html
+++ b/index.html
@@ -35,7 +35,7 @@
   <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
 
   <!-- Blog feed -->
-  <div class="abc-blog-feed posts-list">
+  <div class="abc-blog-feed">
     {% if site.data.blog-feed %}
     {% assign blogFeedItems = site.data.blog-feed.items | reverse %}
     {% for post in blogFeedItems limit:3 %}