collapse sidebar for good by fgtranime

/* ==UserStyle==
@name         collapse sidebar for good
@version      20220613.20.43
@namespace    userstyles.world/user/fgtranime
@description  Makes YouTube sidebar collapse
@author       fgtranime
@license      No License
==/UserStyle== */

@-moz-document domain("youtube.com") {
#guide {
    display: none;
}
 
ytd-app[guide-persistent-and-visible] ytd-page-manager.ytd-app {
    margin-left: 0;
}
}