diff --git a/view/theme/frio/scheme/black.css b/view/theme/frio/scheme/black.css
index 982de93e8b..f57f9902b3 100644
--- a/view/theme/frio/scheme/black.css
+++ b/view/theme/frio/scheme/black.css
@@ -345,3 +345,7 @@ aside .widget,
 	box-shadow: 0 0 3px $link_color;
 	-webkit-box-shadow: 0 0 3px $link_color;
 }
+
+input[type=text].tt-input {
+	box-shadow: none;
+}
diff --git a/view/theme/frio/scheme/dark.css b/view/theme/frio/scheme/dark.css
index 308e318878..e7574ff307 100644
--- a/view/theme/frio/scheme/dark.css
+++ b/view/theme/frio/scheme/dark.css
@@ -318,3 +318,7 @@ legend {
 .adminpage .table-hover > tbody > tr:hover + tr.details {
 	background-color: $nav_bg;
 }
+
+input[type=text].tt-input {
+	box-shadow: none;
+}