diff --git a/app/styles/components/columns.scss b/app/styles/components/columns.scss
index 854d5c1af..633fb612c 100644
--- a/app/styles/components/columns.scss
+++ b/app/styles/components/columns.scss
@@ -977,6 +977,12 @@
   .ptr,
   .ptr__children {
     background: var(--foreground-color);
+    border-bottom-left-radius: 10px;
+    border-bottom-right-radius: 10px;
+
+    @media screen and (max-width: 580px) {
+      border-radius: 0;
+    }
   }
 
   &--transparent {