diff --git a/quartz/styles/custom.scss b/quartz/styles/custom.scss
index f91b23750..f46e81b82 100644
--- a/quartz/styles/custom.scss
+++ b/quartz/styles/custom.scss
@@ -96,4 +96,8 @@ h4 {
 
 .popover-hint {
   margin-top: 3rem;
+}
+
+input[type="checkbox"] {
+  border-color: var(--secondary);
 }
\ No newline at end of file