diff --git a/d2js/js/examples/customizable.html b/d2js/js/examples/customizable.html
index 780bdcefe..54df63a49 100644
--- a/d2js/js/examples/customizable.html
+++ b/d2js/js/examples/customizable.html
@@ -36,11 +36,9 @@
         border-radius: 4px;
       }
 
-      .option(:has(.option-toggle-box)) {
-        .option:not(:has(.option-toggle-box:checked)) .option-select {
-          opacity: 0.5;
-          pointer-events: none;
-        }
+      .option:has(.option-toggle-box:not(:checked)) .option-select {
+        opacity: 0.5;
+        pointer-events: none;
       }
 
       .option {