diff -r b3610cdbd3b3 -r 460809c65f1a src/myams/resources/less/graphs.less
--- a/src/myams/resources/less/graphs.less	Fri Dec 11 11:50:05 2020 +0100
+++ b/src/myams/resources/less/graphs.less	Fri Dec 11 11:51:07 2020 +0100
@@ -5,6 +5,14 @@
 .chart {
 	height: 220px;
 	margin: 20px 5px 10px 10px;
+
+	.legendLayer {
+		.background {
+			fill: rgba(255, 255, 255, 0.85);
+			stroke: rgba(0, 0, 0, 0.85);
+			stroke-width: 1;
+		}
+	}
 }
 
 .chart-small {