From e30a9be6b8431ee3bed1cdb9bad9cf8ef71bcb41 Mon Sep 17 00:00:00 2001
From: vthinkxie <vthinkxie@users.noreply.github.com>
Date: Wed, 17 Apr 2019 15:39:26 +0800
Subject: [PATCH] fix(module:dropdown): fix dropdown style conflict with
 material style (#3290)

close #3241
---
 components/core/style/index.less           | 7 +++++++
 components/dropdown/nz-dropdown.service.ts | 1 +
 2 files changed, 8 insertions(+)

diff --git a/components/core/style/index.less b/components/core/style/index.less
index 06938f0a2be..c9c96069288 100644
--- a/components/core/style/index.less
+++ b/components/core/style/index.less
@@ -217,6 +217,13 @@
   }
 }
 
+/** https://github.com/NG-ZORRO/ng-zorro-antd/issues/3241 **/
+.cdk-overlay-pane{
+  &.nz-dropdown-panel {
+    display: block;
+  }
+}
+
 // hack tree css
 .ant-tree {
   &.ant-tree-show-line {
diff --git a/components/dropdown/nz-dropdown.service.ts b/components/dropdown/nz-dropdown.service.ts
index 8f3e124a1d3..e9dd9286b6f 100644
--- a/components/dropdown/nz-dropdown.service.ts
+++ b/components/dropdown/nz-dropdown.service.ts
@@ -26,6 +26,7 @@ export class NzDropdownService {
     this.overlayRef = this.overlay.create(
       new OverlayConfig({
         scrollStrategy: this.overlay.scrollStrategies.close(),
+        panelClass: 'nz-dropdown-panel',
         positionStrategy: this.overlay
           .position()
           .flexibleConnectedTo({