I'm using TYPO3 7.6.32 where I have a problem with my editor in the backend with the Safari browser. In all other browsers this does not appear.
Does anyone know this problem and know how to fix it?

This is the screenshot of the backend in the Safari browser:
[![enter image description here](https://i.stack.imgur.com/RV6kR.png)](https://i.stack.imgur.com/RV6kR.png)

Best Regard