UX: Fix short post width on mobile (#14771)

UX: Fix short post width on mobile (#14771)

diff --git a/app/assets/stylesheets/mobile/topic.scss b/app/assets/stylesheets/mobile/topic.scss
index ec5b620..9eb3c5b 100644
--- a/app/assets/stylesheets/mobile/topic.scss
+++ b/app/assets/stylesheets/mobile/topic.scss
@@ -1,3 +1,8 @@
+.container.posts {
+  grid-template-areas: "posts";
+  grid-template-columns: auto;
+}
+
 .post-info a {
   color: var(--primary-medium);
 }

GitHub sha: 724f1ee9d17ac86636ca6f3008acec54a29db67f

This commit appears in #14771 which was approved by CvX. It was merged by pmusaraj.