# in IDE:
* open `/themes/advanced/platform/inc/styles.css` file for editing
* anywhere add `iframe { margin-top: 10px; }` style and save changes
# in Admin Console
* go to {nav Website & Content > Browse Website} section
* click on `Content Mode` button in top frame
* click on orange `Edit Content` button
* confirm, that content of opened modal window is within modal window DIV (see related discussion to understand how it will look if fix isn't working)