Fix alacritty colors

nvim/init.vim

@@ -81,8 +81,7 @@ filetype plugin indent on
 set cinkeys-=0#
 
 " Terminal emulator settings
-set t_Co=256
-"set term=screen-256color
+set termguicolors
 
 " Color configuration
 try
@@ -90,6 +89,7 @@ try
 catch
     " Ignore non existing file
 endtry
+highlight Comment cterm=italic gui=italic
 syntax enable	" enable syntax processing
 
 " Disable annoying bell