Update

linux-hidpi/dunst/dunstrc

@@ -29,7 +29,7 @@
     # the top and down respectively.
     # The width can be negative.  In this case the actual width is the
     # screen width minus the width defined in within the geometry option.
-    geometry = "500x10-60+100"
+    geometry = "600x10-60+100"
 
     # Show how many messages are currently hidden (because of geometry).
     indicate_hidden = yes
@@ -258,10 +258,10 @@
     # Xev might be helpful to find names for keys.
 
     # Close notification.
-    close = ctrl+space
+    # close = ctrl+space
 
     # Close all notifications.
-    close_all = ctrl+shift+space
+    # close_all = ctrl+shift+space
 
     # Redisplay last message(s).
     # On the US keyboard layout "grave" is normally above TAB and left
@@ -275,23 +275,23 @@
 [urgency_low]
     # IMPORTANT: colors have to be defined in quotation marks.
     # Otherwise the "#" and following would be interpreted as a comment.
-    background = "#22222266"
+    background = "#222222cc"
     foreground = "#ddd"
     timeout = 10
     # Icon for notifications with low urgency, uncomment to enable
     #icon = /path/to/icon
 
 [urgency_normal]
-    background = "#eb564d66"
+    background = "#eb564dcc"
     foreground = "#fff"
     timeout = 10
     # Icon for notifications with normal urgency, uncomment to enable
     #icon = /path/to/icon
 
 [urgency_critical]
-    background = "#90000066"
+    background = "#900000cc"
     foreground = "#ffffff"
-    frame_color = "#ff0000"
+    frame_color = "#ff0000cc"
     timeout = 0
     # Icon for notifications with critical urgency, uncomment to enable
     #icon = /path/to/icon