diff --git a/libs/core.js b/libs/core.js
index 75e03a49..bac51975 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -2797,7 +2797,7 @@ core.prototype.resize = function(clientWidth, clientHeight) {
         toolBarWidth, toolBarHeight, toolBarTop, toolBarBorder,
         toolsWidth, toolsHeight,toolsMargin,toolsPMaxwidth,
         fontSize, margin;
-
+        
     var count = 9;
     if (!core.flags.enableMDef) count--;
     if (!core.flags.enableExperience) count--;
@@ -2934,7 +2934,7 @@ core.prototype.resize = function(clientWidth, clientHeight) {
             rules:{
                 width: (canvasWidth - SPACE*2) + unit,
                 height:(canvasWidth - SPACE*2) + unit,
-                top: SPACE + unit,
+                top: (canvasTop + SPACE) + unit,
                 right: SPACE + unit,
             }
         },