diff --git a/services/web/frontend/stylesheets/core/css-variables.less b/services/web/frontend/stylesheets/core/css-variables.less
index 9acfd56d1e..90832002b5 100644
--- a/services/web/frontend/stylesheets/core/css-variables.less
+++ b/services/web/frontend/stylesheets/core/css-variables.less
@@ -13,4 +13,9 @@
   --input-border: @input-border;
   --input-border-radius: @input-border-radius;
   --input-border-focus: @input-border-focus;
+
+  --btn-border-radius-base: @btn-border-radius-base;
+  --btn-default-bg: @btn-default-bg;
+
+  --line-height-base: @line-height-base;
 }