diff --git a/css/style.css b/css/style.css
index 5c2fc3ac..3037721a 100644
--- a/css/style.css
+++ b/css/style.css
@@ -84,6 +84,7 @@
 	width: 28px;
 	float: left;
 	padding: 5px;
+	filter: var(--background-invert-if-dark);
 }
 
 .chart-container {