function set_ps1()
{
COLOR_DEFAULT='\[\e[0m\]'
BOLD='\[\e[1m\]'
COLOR1='\[\e[48;5;52m\]'    # bg dark red
COLOR2='\[\e[38;5;52m\]'    # fg dark red
COLOR3='\[\e[48;5;1m\]'     # bg red
COLOR4='\[\e[38;5;21m\]'    # fg blue

echo "\
"$COLOR1"\
!!!\
"$COLOR_DEFAULT"\
 \
"$BOLD"\
"$COLOR2"\
"$COLOR3"\
\u\
 \
@\
 \
\h\
:\
"$COLOR_DEFAULT"\
"$COLOR4"\
\w\
"$COLOR_DEFAULT"\
"$COLOR2"\
\\$\
"$COLOR_DEFAULT"\
 \
"
}
PS1="$(set_ps1)"