update picom conf

links/picom/picom.conf

@@ -88,7 +88,6 @@ fade-out-step = 0.03;
 
 # Specify a list of conditions of windows that should not be faded.
 fade-exclude = [
-  "class_g = 'dmenu'",
 ]
 
 # Do not fade on window open/close.
@@ -138,12 +137,11 @@ active-opacity = 0.95;
 #
 opacity-rule = [
   "100:class_g = 'firefox'",
+  "100:class_g = 'Chromium'",
   "100:class_g = 'mpv'",
-  "75:class_g = 'dmenu'",
   "100:class_g = 'dontstarve_steam_x64'"
 ];
 
-
 #################################
 #           Corners             #
 #################################