diff --git a/public/less/_repository.less b/public/less/_repository.less
index 11ea9ef1f5..18d019446b 100644
--- a/public/less/_repository.less
+++ b/public/less/_repository.less
@@ -275,7 +275,6 @@
 				.markdown {
 					font-size: 14px;
 				}
-				
 			}
 			.metas {
 				min-width: 220px;
@@ -589,6 +588,14 @@
 				padding-right: 10px;
 			}
 		}
+		.comment.form {
+			.content {
+				#avatararrow;
+				&:after {
+					border-right-color: #fff;
+				}
+			}
+		}
 	}
 
 	.filter.dropdown .menu {