diff --git a/packages/mindplot/test/playground/map-render/css/header.less b/packages/mindplot/test/playground/map-render/css/header.less
index 27399eae..8148144e 100644
--- a/packages/mindplot/test/playground/map-render/css/header.less
+++ b/packages/mindplot/test/playground/map-render/css/header.less
@@ -5,20 +5,7 @@
 div#header {
     width: 100%;
     height: @header-height;
-    background: #393939;
-    /* Old browsers */
-    background: -moz-linear-gradient(top, #393939 0%, #000000 100%);
-    /* FF3.6+ */
-    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #393939), color-stop(100%, #000000));
-    /* Chrome,Safari4+ */
-    background: -webkit-linear-gradient(top, #393939 0%, #000000 100%);
-    /* Chrome10+,Safari5.1+ */
-    background: -o-linear-gradient(top, #393939 0%, #000000 100%);
-    /* Opera11.10+ */
-    background: -ms-linear-gradient(top, #393939 0%, #000000 100%);
-    /* IE10+ */
-    background: linear-gradient(top, #393939 0%, #000000 100%);
-    /* W3C */
+    background: #202020;
     z-index: 1000;
     position: absolute;
     top: 0;