diff --git a/apps/block_scout_web/assets/css/components/_dropdown.scss b/apps/block_scout_web/assets/css/components/_dropdown.scss
index 998f779ec5..f0a7e33661 100644
--- a/apps/block_scout_web/assets/css/components/_dropdown.scss
+++ b/apps/block_scout_web/assets/css/components/_dropdown.scss
@@ -5,6 +5,9 @@
   box-shadow: $box-shadow;
   padding: 0;
   width: 100%;
+  border-left: 1px solid #e2e5ec;
+  border-right: 1px solid #e2e5ec;
+  border-bottom: 1px solid #e2e5ec;
 
   &.right {
     left: auto;