diff --git a/kallithea/public/less/kallithea-diff.less b/kallithea/public/less/kallithea-diff.less
--- a/kallithea/public/less/kallithea-diff.less
+++ b/kallithea/public/less/kallithea-diff.less
@@ -105,15 +105,12 @@ BIN_FILENODE = 6
     border-color: rgba(0, 0, 0, 0.3);
   }
 
-  /** LINE NUMBERS **/
+  /* line numbers */
   .lineno {
     padding-left: 2px;
     padding-right: 2px !important;
     width: 30px;
     border-right: 1px solid #CCC !important;
-    border-left: 0px solid #CCC !important;
-    border-top: 0px solid #CCC !important;
-    border-bottom: none !important;
     vertical-align: middle !important;
     text-align: center;
   }