diff --git a/src/assets/css/components/views/charts2/networkOverviewDdosDetection.scss b/src/assets/css/components/views/charts2/networkOverviewDdosDetection.scss
index d09e404e..0c22b164 100644
--- a/src/assets/css/components/views/charts2/networkOverviewDdosDetection.scss
+++ b/src/assets/css/components/views/charts2/networkOverviewDdosDetection.scss
@@ -2,6 +2,7 @@
   height: 100%;
   border: 1px solid #E2E5EC;
   border-radius: 4px;
+  background: rgba(113,113,113,0.06);
   .ddos-detection-title {
     margin-top: 15px;
     i {
diff --git a/src/assets/css/components/views/charts2/networkOverviewPerformanceEvent.scss b/src/assets/css/components/views/charts2/networkOverviewPerformanceEvent.scss
index b326aa17..04480a03 100644
--- a/src/assets/css/components/views/charts2/networkOverviewPerformanceEvent.scss
+++ b/src/assets/css/components/views/charts2/networkOverviewPerformanceEvent.scss
@@ -2,6 +2,7 @@
   height: 100%;
   border: 1px solid #E2E5EC;
   border-radius: 4px;
+  background: rgba(113,113,113,0.06);
   .performance-event-title {
     margin-top: 15px;
     i {