diff --git a/ui-style.css b/ui-style.css
index 907fb6b..507d8b7 100644
--- a/ui-style.css
+++ b/ui-style.css
@@ -98,6 +98,7 @@ input[type=text] {
 }
 
 .slider {
+    appearance: none;
     -webkit-appearance: none;
     height: 6px;
     border-radius: 6px;