diff --git a/frontend/less/espo/iframe/iframe.less b/frontend/less/espo/iframe/iframe.less
index fc050bcfca..945b078047 100644
--- a/frontend/less/espo/iframe/iframe.less
+++ b/frontend/less/espo/iframe/iframe.less
@@ -91,4 +91,8 @@ pre {
     }
 }
 
-
+blockquote {
+    padding-left: var(--padding-base-horizontal);
+    margin-left: var(--padding-base-horizontal);
+    border-left: var(--3px) solid var(--blockquote-border-color);
+}