diff --git a/scss/topic.scss b/scss/topic.scss
index d785a93..c55f814 100644
--- a/scss/topic.scss
+++ b/scss/topic.scss
@@ -61,6 +61,17 @@
   @media screen and (max-width: 924px) {
     grid-template-columns: auto auto;
   }
+
+  .post-notice {
+    padding: var(--spacing-block-sm);
+    border-radius: var(--d-border-radius);
+    font-size: var(--font-down-1-rem);
+
+    .d-icon {
+      font-size: var(--font-up-1);
+      width: 1em;
+    }
+  }
 }
 
 .timeline-container .topic-timeline .timeline-ago {