From 8b1da1a1f885e64902c427ae5fe1f00ab6045c34 Mon Sep 17 00:00:00 2001
From: jesse <63720570+jesse3mh9a@users.noreply.github.com>
Date: Sat, 20 Jun 2020 22:42:54 +0800
Subject: [PATCH] style: fix BackTop not hidden completely (#25132)

* fix: hidden BackTop still effect layout, such as cursor

* Revert "fix: hidden BackTop still effect layout, such as cursor"

This reverts commit 9000e15a2dbbcf6cf8566b11a9f829737ca33ef3.

* perf: use :empty CSS pseudo-class
---
 components/back-top/style/index.less | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/back-top/style/index.less b/components/back-top/style/index.less
index 52cde657f936..5918f0de817f 100644
--- a/components/back-top/style/index.less
+++ b/components/back-top/style/index.less
@@ -14,6 +14,10 @@
   height: 40px;
   cursor: pointer;
 
+  &:empty {
+    display: none;
+  }
+
   &-rtl {
     right: auto;
     left: 100px;