Gelbooru Size WebM in View

Keeps WebM player where it always looks good, even without any scrolling at all.

/* ==UserStyle==
@name         Gelbooru Size WebM in View
@namespace    http://tampermonkey.net/
@version      1.1.1
@description  Keeps WebM player where it always looks good, even without any scrolling at all.
@author       Xerodusk
@homepage     https://greasyfork.org/en/users/460331-xerodusk
@icon         https://gelbooru.com/favicon.png
==/UserStyle== */

@-moz-document url-prefix("https://gelbooru.com/index.php?page=post&s=view") {
    #gelcomVideoPlayer {
        width: auto !important;
        max-width: min(100%, 1000px) !important;
        max-height: calc(100vh - 198px) !important;
    }
}