Sticky type bar messenger by Oliveinparis

/* ==UserStyle==
@name           Sticky type bar messenger
@namespace      github.com/openstyles/stylus
@version        1.0.0
@description    A new userstyle
@author         Me
==/UserStyle== */

@-moz-document url-prefix("https://www.messenger.com/") {
    div.xuk3077.x57kliw.x78zum5.x6prxxf.xz9dl7a.xsag5q8 {
          position: sticky;
    }
}