update menu background

web/assets/css/custom.css

@@ -169,7 +169,7 @@
 .ant-layout-sider-zero-width-trigger,
 .ant-dropdown-menu-dark,.ant-dropdown-menu-dark .ant-dropdown-menu,
 .ant-menu-dark.ant-menu-horizontal>.ant-menu-item,.ant-menu-dark.ant-menu-horizontal>.ant-menu-submenu {
-    background:#161b22
+    background:#1A202B
 }
 
 .ant-card-dark {