fix: correct the collapse-borderless class variable (#20718) (#20721)

Co-authored-by: Kuitos <kuitos.lau@gmail.com>
5 years ago · d3eea22097
1 changed files with 1 additions and 1 deletions
--- a/components/collapse/style/index.less
+++ b/components/collapse/style/index.less
@ -102,7 +102,7 @@
  }
  &-borderless {
-    background-color: @component-background;
+    background-color: @collapse-header-bg;
    border: 0;
  }