diff --git a/components/frontend/src/app/projects/[name]/sessions/[sessionName]/components/accordions/artifacts-accordion.tsx b/components/frontend/src/app/projects/[name]/sessions/[sessionName]/components/accordions/artifacts-accordion.tsx
index d7d04088d..001214dae 100644
--- a/components/frontend/src/app/projects/[name]/sessions/[sessionName]/components/accordions/artifacts-accordion.tsx
+++ b/components/frontend/src/app/projects/[name]/sessions/[sessionName]/components/accordions/artifacts-accordion.tsx
@@ -64,9 +64,9 @@ export function ArtifactsAccordion({
           </p>
           
           {/* File Browser for Artifacts */}
-          <div className="border rounded-lg overflow-hidden">
+          <div className="overflow-hidden">
             {/* Header with breadcrumbs and actions */}
-            <div className="px-2 py-1.5 border-b flex items-center justify-between bg-muted/30">
+            <div className="px-2 py-1.5 border-y flex items-center justify-between bg-muted/30">
               <div className="flex items-center gap-1 text-xs text-muted-foreground min-w-0 flex-1">
                 {/* Back button when in subfolder or viewing file */}
                 {(currentSubPath || viewingFile) && (
diff --git a/components/frontend/src/app/projects/[name]/sessions/[sessionName]/page.tsx b/components/frontend/src/app/projects/[name]/sessions/[sessionName]/page.tsx
index 1776504c9..8e8e5d56d 100644
--- a/components/frontend/src/app/projects/[name]/sessions/[sessionName]/page.tsx
+++ b/components/frontend/src/app/projects/[name]/sessions/[sessionName]/page.tsx
@@ -1581,8 +1581,8 @@ export default function ProjectSessionDetailPage({
                           </div>
 
                           {/* File Browser */}
-                          <div className="border rounded-lg overflow-hidden">
-                            <div className="px-2 py-1.5 border-b flex items-center justify-between bg-muted/30">
+                          <div className="overflow-hidden">
+                            <div className="px-2 py-1.5 border-y flex items-center justify-between bg-muted/30">
                               <div className="flex items-center gap-1 text-xs text-muted-foreground min-w-0 flex-1">
                                 {(fileOps.currentSubPath ||
                                   fileOps.viewingFile) && (