diff --git a/view/theme/frio/scheme/black.css b/view/theme/frio/scheme/black.css
index 3b3f092a7..361a77728 100644
--- a/view/theme/frio/scheme/black.css
+++ b/view/theme/frio/scheme/black.css
@@ -70,6 +70,10 @@ textarea,
 	box-shadow: 0 0 3px #dadada;
 	-webkit-box-shadow: 0 0 3px #dadada;
 }
+input[type=range] {
+	box-shadow: none;
+}
+
 .form-control[disabled], .form-control[readonly], fieldset[disabled] .form-control {
 	background-color: $background_color;
 	color: $font_color_darker;
diff --git a/view/theme/frio/scheme/dark.css b/view/theme/frio/scheme/dark.css
index d282b501b..6bd3df21a 100644
--- a/view/theme/frio/scheme/dark.css
+++ b/view/theme/frio/scheme/dark.css
@@ -69,6 +69,10 @@ textarea,
 	box-shadow: 0 0 3px #dadada;
 	-webkit-box-shadow: 0 0 3px #dadada;
 }
+input[type=range] {
+	box-shadow: none;
+}
+
 .form-control[disabled],
 .form-control[readonly],
 .ieldset[disabled] .form-control {