diff --git a/libs/colors.bash b/libs/colors.bash
index a1fd301..abbef67 100755
--- a/libs/colors.bash
+++ b/libs/colors.bash
@@ -1,94 +1,80 @@
 #!/bin/bash
 
 #ANSI CODES
-#Code	Effect
-#0	All attributes off
-#1	Bold
-#2	Faint
-#3	Italic
-#4      Underline
-#5	Blink
-#6	Rapid blink
-#7	Reverse video
-#8	Concealed
-#30	Black foreground
-#31	Red foreground
-#32	Green foreground
-#33	Yellow foreground
-#34	Blue foreground
-#35	Magenta foreground
-#36	Cyan foreground
-#37	White foreground
-#40	Black background
-#41	Red background
-#42	Green background
-#43	Yellow background
-#44	Blue background
-#45	Magenta background
-#46	Cyan background
-#47	White background
-#48	Subscript
-#49	Superscript
+#Code Effect
+#0    All attributes off
+#1    Bold
+#2    Faint
+#3    Italic
+#4    Underline
+#5    Blink
+#6    Rapid blink
+#7    Reverse video
+#8    Concealed
+#30   Black foreground
+#31   Red foreground
+#32   Green foreground
+#33   Yellow foreground
+#34   Blue foreground
+#35   Magenta foreground
+#36   Cyan foreground
+#37   White foreground
+#40   Black background
+#41   Red background
+#42   Green background
+#43   Yellow background
+#44   Blue background
+#45   Magenta background
+#46   Cyan background
+#47   White background
+#48   Subscript
+#49   Superscript
 
-#T_ROWS=`tput lines`        #  Define current terminal dimension 
+#bold_on=`escape 1m`
+#bold_off=`escape 22m`
+#blink_on=`escape 5m`
+#blink_off=`escape 25m`
+#reset=`escape 0m`
+
+#T_ROWS=`tput lines`        #  Define current terminal dimension
 #T_COLS=`tput cols`         #+ in rows and columns.
 #_UNDERLINE_ON=`tput smul`   # turn on underline
 #_UNDERLINE_OFF=`tput rmul`  # turn off underline
-#tput setf 4	# tput setf {fg color number}
-#tput setb 2	# tput setb {bg color number}
+#tput setf 4  # tput setf {fg color number}
+#tput setb 2  # tput setb {bg color number}
 
 #tput bold - Bold effect
 #tput tsmi - Italic
 #tput rev - Display inverse colors
 #tput sgr0 - Reset everything
 
-default='\E[39;49;00m'
-bold='\E[1m'
-italic='\E[3m'
-underline='\E[4m'
-blink='\E[5m'
+# Affiche un message stylisé sur la sortie standard
+function echo_bold { echo -e "\e[1m${*}\e[0m"; }
+function echo_faint { echo -e "\e[2m${*}\e[0m"; }
+function echo_italic { echo -e "\e[3m${*}\e[0m"; }
+function echo_underline { echo -e "\e[4m${*}\e[0m"; }
+function echo_blink { echo -e "\e[5m${*}\e[0m"; }
+function echo_reverse { echo -e "\e[7m${*}\e[0m"; }
+function echo_concealed { echo -e "\e[8m${*}\e[0m"; }
 
-blackonwhite='\E[30;47m'
+# Affiche un message informatif stylisé sur la sortie d'erreur
+function echo_info { >&2 echo -e "\e[00;34;49m󰋼  ${*}\e[39;49;00m"; }
+function echo_warning { >&2 echo -e "\e[00;33;49m  ${*}\e[39;49;00m"; }
+function echo_error { >&2 echo -e "\e[00;01;31;49m  ${*}\e[39;49;00m"; }
+function echo_success { >&2 echo -e "\e[00;01;32;49m  ${*}\e[39;49;00m"; }
+function echo_failed { >&2 echo -e "\e[00;01;31;49m✖  ${*}\e[39;49;00m"; }
 
-#reset=`escape 0m`
-#black='\E[30;47m'
-#red='\E[31;47m'
-#green='\E[32;47m'
-#yellow='\E[33;47m'
-#blue='\E[34;47m'
-#magenta='\E[35;47m'
-#cyan='\E[36;47m'
-#white='\E[37;47m'
-#bold_on=`escape 1m`
-#bold_off=`escape 22m`
-#blink_on=`escape 5m`
-#blink_off=`escape 25m`
-
-
-function echo_reverse
-{
-  echo -ne $blackonwhite
-  echo -ne "$*"
-  echo -e $default
-}
-
-function echo_italic
-{
-  echo -ne $italic
-  echo -ne "$*"
-  echo -e $default
-}
-
-function echo_bold
-{
-  echo -ne $bold
-  echo -ne "$*"
-  echo -e $default
-}
-
-function echo_underline
-{
-  echo -ne $underline
-  echo -ne "$*"
-  echo -e $default
+function echo_demo {
+  echo_bold bold
+  echo_faint faint
+  echo_italic italic
+  echo_underline underline
+  echo_blink blink
+  echo_reverse reverse
+  echo_concealed concealed
+  echo_info info
+  echo_warning warning
+  echo_error error
+  echo_success success
+  echo_failed failed
 }