diff --git a/scss/topic-cards.scss b/scss/topic-cards.scss
index 9114599..6e9f343 100644
--- a/scss/topic-cards.scss
+++ b/scss/topic-cards.scss
@@ -368,4 +368,8 @@ body.user-messages-page .topic-list-item {
       background: var(--d-content-background);
     }
   }
+  &.selected {
+    box-shadow: 0px 0px 0px 2px var(--accent-color),
+      0px 0px 12px 1px var(--topic-card-shadow);
+  }
 }