From 8d1b2c9f3285a731c927ea41aa929aa331c32d32 Mon Sep 17 00:00:00 2001
From: Graeme Yeates <yeatesgraeme@gmail.com>
Date: Tue, 9 May 2017 05:15:54 -0400
Subject: [PATCH] Add variable for controlling backtop colors (#6038)

---
 components/back-top/style/index.less | 6 +++---
 components/style/themes/default.less | 5 +++++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/components/back-top/style/index.less b/components/back-top/style/index.less
index 97ec867acc..5ae3809fa1 100644
--- a/components/back-top/style/index.less
+++ b/components/back-top/style/index.less
@@ -15,13 +15,13 @@
     height: 40px;
     width: 40px;
     border-radius: 20px;
-    background-color: rgba(64, 64, 64, 0.4);
-    color: #fff;
+    background-color: @back-top-bg;
+    color: @back-top-color;
     text-align: center;
     transition: all .3s @ease-in-out;
 
     &:hover {
-      background-color: rgba(64, 64, 64, 0.6);
+      background-color: @back-top-hover-bg;
       transition: all .3s @ease-in-out;
     }
   }
diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index 1fae1a0502..08cacdc703 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -330,3 +330,8 @@
 // Tabs
 // ---
 @tabs-card-head-background: #f9f9f9;
+
+// BackTop
+@back-top-color: #fff;
+@back-top-bg: rgba(64, 64, 64, 0.4);
+@back-top-hover-bg: rgba(64, 64, 64, 0.6);