fix style

package.json

 {
     "name": "react-ag-qeditor",
-    "version": "1.1.25",
+    "version": "1.1.26",
     "description": "WYSIWYG html editor",
     "author": "atma",
     "license": "MIT",

src/index.scss

@@ -586,7 +586,7 @@ body{
             max-width: 90%;
             min-width: 560px;
             padding: 48px;
-            max-height: 600px;
+            max-height: 900px;
             overflow-y: scroll;
 
             &-header{