diff --git a/frontend/less/sakura/variables.less b/frontend/less/sakura/variables.less
index 2c04536217..f2a8aa4c94 100644
--- a/frontend/less/sakura/variables.less
+++ b/frontend/less/sakura/variables.less
@@ -26,6 +26,8 @@
 @btn-default-border-value: #c9c8cb;
 @btn-default-hover-bg-value: darken(@btn-default-bg-value, 3%);
 @btn-default-hover-border-value: darken(@btn-default-bg-value, 12%);
+@btn-default-active-bg-value: darken(@btn-default-bg-value, 9%);
+@btn-default-active-border-value: darken(@btn-default-bg-value, 18%);
 
 @btn-text-color-value: #73747e;