diff --git a/src/public/stylesheets/theme-next/forms.css b/src/public/stylesheets/theme-next/forms.css
index 63ce06230..39bdaf8c6 100644
--- a/src/public/stylesheets/theme-next/forms.css
+++ b/src/public/stylesheets/theme-next/forms.css
@@ -626,4 +626,12 @@ a.tn-link:hover[href^="https://"]:not(.no-arrow)::after,
 .use-tn-links a:hover[href^="http://"]:not(.no-arrow)::after,
 .use-tn-links a:hover[href^="https://"]:not(.no-arrow)::after {
     animation: link-arrow-blink 500ms linear alternate infinite;
+}
+
+/*
+ * Range inputs (sliders)
+ */
+
+input[type="range"] {
+    background: transparent;
 }
\ No newline at end of file