diff --git a/i3/config b/i3/config
index 07e7fbc..c8ef0ec 100644
--- a/i3/config
+++ b/i3/config
@@ -10,7 +10,7 @@
 # Please see https://i3wm.org/docs/userguide.html for a complete reference!
 
 # enable gaps
-for_window [class=".*"] border pixel 3
+for_window [class=".*"] border pixel 0
 gaps inner 9
 gaps outer 0
 
@@ -178,7 +178,9 @@ assign [class="^scribus"] $ws4
 assign [class="^Inkscape"] $ws4
 assign [class="^Thunar"] $ws5
 assign [class="^Gnucash"] $ws6
-assign [class="^libreoffice"] $ws6
+assign [class="libreoffice"] $ws6
+assign [title="LibreOffice"] $ws6
+assign [class="qpdfview"] $ws6
 assign [class="^openmw-launcher"] $ws7
 assign [class="^Lutris"] $ws7
 assign [class="^itch"] $ws7