diff --git a/etc/sway/config.d/30-applications-defaults.conf b/etc/sway/config.d/30-applications-defaults.conf
index 8482d95..c38e7f9 100644
--- a/etc/sway/config.d/30-applications-defaults.conf
+++ b/etc/sway/config.d/30-applications-defaults.conf
@@ -1,5 +1,6 @@
 # set floating mode for specific application
 for_window [app_id="[Ff]irefox" title="^Library$"] floating enable, border pixel 1
+for_window [app_id="[Ll]ibrewolf" title="^Library$"] floating enable, border pixel 1
 for_window [app_id="thunderbird" title=".*Reminder"] floating enable
 for_window [app_id="floating_shell_portrait"] floating enable, border pixel 1, sticky enable, resize set width 30 ppt height 40 ppt
 for_window [app_id="floating_shell"] floating enable, border pixel 1, sticky enable, resize set width 50 ppt height 60 ppt
@@ -46,9 +47,11 @@ for_window [title="Confirm to replace files"] move position center
 for_window [class="Chromium-browser"] mark Browser
 for_window [class="Brave-browser"] mark Browser
 for_window [class="firefox"]  mark Browser
+for_window [class="librewolf"] mark Browser
 for_window [app_id="Chromium-browser"] mark Browser
 for_window [app_id="brave-browser"] mark Browser
 for_window [app_id="[Ff]irefox"] mark Browser
+for_window [app_id="[Ll]ibrewolf"] mark Browser
 
 # inhibit scrensaver for fullscreen browser windows
 for_window [con_mark="Browser"] {