diff --git a/src/styles/mixins/button.less b/src/styles/mixins/button.less
index 9005374..2db14ee 100644
--- a/src/styles/mixins/button.less
+++ b/src/styles/mixins/button.less
@@ -269,7 +269,6 @@
 .active-btn-color(@color) {
     &:focus {
         box-shadow: 0 0 0 2px fade(@color, 20%);
-        z-index: 1;
     }
 }
 .btn-color(@color) {
--
libgit2 0.21.4