diff --git a/app/javascript/vue/my_modules/renderers/comments.vue b/app/javascript/vue/my_modules/renderers/comments.vue
index d709c7697..b6fa847b2 100644
--- a/app/javascript/vue/my_modules/renderers/comments.vue
+++ b/app/javascript/vue/my_modules/renderers/comments.vue
@@ -10,7 +10,8 @@
     <template v-else>
       +
     </template>
-    <span v-if="params.data.comments.count_unseen > 0" class="unseen-comments">
+    <span v-if="params.data.comments.count_unseen > 0"
+          class="unseen-comments inline-block align-super text-xs font-semibold rounded-full bg-sn-science-blue text-sn-white w-3.5 h-3.5 text-center">
       {{params.data.comments.count_unseen }}
     </span>
   </a>