Add shadow variables

1 files changed, 1 insertions, 1 deletions

diff --git a/src/buttons.less b/src/buttons.less
index 71284d5..c01278e 100644
--- a/src/buttons.less
+++ b/src/buttons.less
@@ -160,7 +160,7 @@
     &:hover,
     &:active,
     &.active {
-      z-index: @z-index-z0;
+      z-index: @zindex-0;
     }
   }