diff --git a/ui/src/index.css b/ui/src/index.css
index ec2585e8..519dc8c4 100644
--- a/ui/src/index.css
+++ b/ui/src/index.css
@@ -11,3 +11,7 @@ code {
   font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
     monospace;
 }
+
+.rc-slider {
+  z-index:78
+}