Fix missing cursor in empty pads with Chrome and fix page mode

customize.dist/ckeditor-contents.css

@@ -16,6 +16,12 @@ body
     background-color: #fff;
 
     margin: 20px;
+    padding: 20px;
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    right: 0;
 }
 
 .cke_editable

www/pad/inner.js

@@ -785,7 +785,7 @@ define([
                         'max-width: 50em; padding: 20px 30px; margin: 0 auto; min-height: 100%;'+
                         'box-sizing: border-box; overflow: auto;'+
                     '}' +
-                    '.cke_body_width body > *:first-child { margin-top: 0; }' +
+                    '.cke_body_width body > *:first-child { margin-top: 0; }';
                 Ckeditor.addCss(newCss);
                 Ckeditor._mediatagTranslations = {
                     title: Messages.pad_mediatagTitle,