[Glitch] Add CSS class to replies
[Glitch] Add CSS class to replies

Port 2bbec9f4dab1441391983ce920b6a0094f0e0348 to glitch-soc

im-in-space/mastodon,im-in-space/mastodon,im-in-space/mastodon,glitch-soc/mastodon,glitch-soc/mastodon,im-in-space/mastodon,Kirishima21/mastodon,Kirishima21/mastodon,Kirishima21/mastodon,glitch-soc/mastodon,glitch-soc/mastodon,Kirishima21/mastodon