From b3bea96e80fffe88e88c3d59e8e593551e67ac2c Mon Sep 17 00:00:00 2001
From: DiamondYuan <541832074@qq.com>
Date: Wed, 24 Apr 2019 20:09:49 +0800
Subject: [PATCH] fix: Tree checkbox animation not correct (#16272)

* fix: Tree checkbox animation not correct

* fix: Tree checkbox animation not correct

* fix: Tree checkbox animation not correct

* chore: add comment
---
 components/tree/style/index.less | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/components/tree/style/index.less b/components/tree/style/index.less
index f806b2d6f1..0086daa36f 100644
--- a/components/tree/style/index.less
+++ b/components/tree/style/index.less
@@ -11,6 +11,15 @@
 .antCheckboxFn(@checkbox-prefix-cls: ~'@{ant-prefix}-tree-checkbox');
 
 .@{tree-prefix-cls} {
+  /* see https://github.com/ant-design/ant-design/issues/16259 */
+  &-checkbox-checked::after {
+    position: absolute;
+    top: 16.67%;
+    left: 0;
+    width: 100%;
+    height: 66.67%;
+  }
+
   .reset-component;
 
   margin: 0;