I have a problem when posting an answer to a question that already have several answers and/or several comments:

The "post your answer" form sits on bottom, the answer is on top. There is an awful lot of "clutter" between them, that are not needed for the act of posting a new answer (yes, I've read the other answers and comments, what I am about to write is original).

I have a very short short term memory and hate to scroll all the way up and down to read question and write answer text.

Write a script or program that 

* Can run on vanilla (downloaded from the main page for those softwares) Firefox and/or Chrome (irrelevant if it also runs on other browsers or on all browsers)  

you get 10 fake internet points from me if it runs on all browsers, but this is not a victory condition
* You can call any code that ships with the browser, loads with the SE page (like jQuery) or sideloads from the web.
* Can be run (as a bookmarklet, from console, any input method) on a fresh install of one of those two browsers.
* Does not depend on any other software installed on the machine, or the installation of any add-ons and/or plugins on the browsers.
* Irrelevant if it runs only on windows, only on mac or only on linux, as long as those browsers can be downloaded from the browsers' official download page, for that platform.
* Does not break the submit answer form (I can still write my answer and submit, and the whole edit toolbar is still intact - including the help icon).
* Question is intact. Title, body, votes panel, post menu and owner signature.

(italics denote editted-in content)

* *vertical* Distance between *bottom* of owner signature and *the top* of edit toolbar is the same or smaller *(negatives allowed)* than when posting the first answer to a question in the same site.
* *Edit form toolbar cannot be higher than the question title.*

	+ *both question, answer edit form, answer toolbar and answer preview have to remain visible and non-overlapping.*
* Only the screen display matters. If the other elements were hidden, deleted, moved, ejected into outer space or phase-shifted into a [Dirac Sea](http://en.wikipedia.org/wiki/Dirac_sea) is irrelevant.

Your code must work for a minimum of:

* <https://stackoverflow.com/>
* <https://superuser.com/>
* <https://codegolf.stackexchange.com/>
* <https://rpg.stackexchange.com/>
* <https://android.stackexchange.com/>
* <https://scifi.stackexchange.com/>

This is [code-golf](/questions/tagged/code-golf "show questions tagged 'code-golf'"), so the shortest code in bytes will win!

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I am now required to [link this question](https://codegolf.stackexchange.com/q/22993/31779) for the exerpts' credits. Thanks [@Doorknob](https://codegolf.stackexchange.com/users/3808/doorknob).

P.S.: It is my first time in PpCG, be kind.