Change dunst config according to new v1.7 changes

config/dunst/dunstrc

@@ -1,7 +1,14 @@
 [global]
 monitor = 0
 follow = mouse
-geometry = "350x5-30-30"
+
+### Geometry
+width = 350
+height = 150
+origin = bottom-right
+offset = 30x30
+
+
 indicate_hidden = yes
 shrink = no
 separator_height = 0
@@ -26,16 +33,14 @@ text_icon_padding = 20
 max_icon_size = 64
 sticky_history = yes
 history_length = 20
-browser = /usr/bin/firefox -new-tab
+browser = /usr/bin/xdg-open
 always_run_script = true
 title = Dunst
 class = Dunst
 corner_radius = 8
-mouse_left = do_action
 
-[shortcuts]
+mouse_left_click = do_action
-close = ctrl+space
+mouse_right_click = close_current
-close_all = ctrl+shift+space
 
 [urgency_low]
 timeout = 4