diff --git a/lib/ace/ext/overlay_page.js b/lib/ace/ext/overlay_page.js
index 3cd7efec..c6639fe5 100644
--- a/lib/ace/ext/overlay_page.js
+++ b/lib/ace/ext/overlay_page.js
@@ -46,9 +46,9 @@ module.exports.overlayPage = function overlayPage (contentElement, top, right, b
     var contentContainer = document.createElement('div');
     
     closer.style.cssText = 'margin: 0; padding: 0; ' +
-        'position: absolute; top:0; bottom:0; left:0; right:0;' +
+        'position: fixed; top:0; bottom:0; left:0; right:0;' +
         'z-index: 9990; ' +
-        'background-color: rgba(0, 0, 0, 0.1);';
+        'background-color: rgba(0, 0, 0, 0.2);';
     closer.addEventListener('click', function () {
         closer.parentNode.removeChild(closer);
         closer = null;