diff --git a/public/css/module.less b/public/css/module.less
index 4ef87f1..f7a69a0 100644
--- a/public/css/module.less
+++ b/public/css/module.less
@@ -144,6 +144,16 @@ table.bp .icon {
     margin-right: 0.4em;
 }
 
+table.bp.node.subtree td:before {
+    font-family: ifont;
+    z-index: 10;
+    font-size: 1.25em;
+    content: '\e80e';
+    position: absolute;
+    margin-left: 1.25em;
+    margin-top: 0.25em;
+}
+
 table.bp.node.service td:before {
     font-family: ifont;
     z-index: 10;