When I run various commands from terminal I get the following output:

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:19:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:69:21: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:90:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:118:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:123:15: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:126:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:127:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:159:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:169:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:194:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:195:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:209:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:222:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:234:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:246:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:311:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:312:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:343:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:344:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:354:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:360:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:373:18: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:374:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:382:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:404:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:438:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:438:16: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:482:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:498:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:499:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:510:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:518:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:527:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:535:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:578:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:590:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:638:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:653:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:658:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:661:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:670:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:694:22: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:813:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:837:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:856:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:878:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:879:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:893:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:894:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:910:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:911:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:926:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:927:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:939:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:940:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:951:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:963:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:970:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:974:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:975:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:984:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:988:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:989:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1000:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1004:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1005:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1022:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1023:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1032:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1033:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1055:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1074:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1088:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1110:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1127:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1142:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1156:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1166:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1175:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1181:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1189:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1207:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1279:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1376:20: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1379:14: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1523:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1538:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1552:19: Not using units is deprecated. Assuming 'px'.

(gedit:23356): Gtk-WARNING **: Theme directory of theme Azenis Icons has no size field


(gedit:23356): IBUS-WARNING **: The owner of /home/chris/.config/ibus/bus is not root!

(gedit:23356): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -11 and height 0



Could somebody please help me to interpret this and possibly rectify the problem? I posted in "environments" because it's bound to be a Gnome theming issue. Thanks in advance.