diff --git a/app/assets/stylesheets/common/base/_topic-list.scss b/app/assets/stylesheets/common/base/_topic-list.scss
index 7deba65f5..c01351a73 100644
--- a/app/assets/stylesheets/common/base/_topic-list.scss
+++ b/app/assets/stylesheets/common/base/_topic-list.scss
@@ -17,7 +17,6 @@
 .topic-list {
   width: 100%;
   border-collapse: collapse;
-  border-top: 1px solid dark-light-diff($primary, $secondary, 90%, -75%);
   background: rgba($secondary, .8);
 
   > tbody > tr {
@@ -29,7 +28,7 @@
   }
 
   > tbody > tr:first-of-type {
-    border-top: 1px solid dark-light-diff($primary, $secondary, 90%, -75%);
+    border-top: 3px solid dark-light-diff($primary, $secondary, 90%, -75%);
   }
 
   th,