diff --git a/packages/cubejs-playground/src/index.less b/packages/cubejs-playground/src/index.less
index f4727ca2f7a35..80951e576c4b3 100644
--- a/packages/cubejs-playground/src/index.less
+++ b/packages/cubejs-playground/src/index.less
@@ -20,3 +20,9 @@
   border: 1px solid #eee;
   border-radius: 3px;
 }
+
+// Button overrides
+.ant-btn-primary:focus {
+  background-color: #6D5AE5;
+  border-color: #6D5AE5;
+}