diff --git a/frontend/layout/lib/tilelayout.less b/frontend/layout/lib/tilelayout.less
index 4106e3fc..951e3bfe 100644
--- a/frontend/layout/lib/tilelayout.less
+++ b/frontend/layout/lib/tilelayout.less
@@ -45,7 +45,7 @@
             &.flex-column {
                 cursor: ns-resize;
                 .line {
-                    margin-top: 3px;
+                    margin-top: 2px;
                 }
             }
             flex: 0 0 5px;