How to prevent TinyMCE from touching other form elements?

Question

JavaScript

Stuck - fighting TinyMCE all night.
This dirty trick, when bound to a textarea, will definitely try to get into the entire form and ruin it.
When changing the width of the browser - TinyMCE menu items climb where they don't get.
I have been studying the documentation of this editor all night, but I can’t find the parameter responsible for this.
It is noteworthy that if you remove the menu at all in the initialization, then it disappears, but it also removes other form elements after itself.
Here is a screenshot of how the editor's menu has moved down:

Live example uploaded to the Internet:
dev.hozmagkomi.ru
Maybe someone faced the same problem?
If it does not work out, I will try other editors, but I would like to solve the problem with this one, because I like its interface, and I am satisfied with its set of functions - there is nothing superfluous for me, and at the same time there is everything I need.

Answer 1

The layout is incorrectly done, that's why it "went".
missing element style definition

.bodynews_item{
    float: left;
    width: 100%;
}

All at random - fu.