Convert the format (Big5 encoding to UTF-8, remove DOS newline in file, replace string big5 with UTF-8, and append UNIX newline to end of file) of HTML files in directory via Bash script.

Convert the name of files in directory to lowercase via Bash script.

Convert encoding of file from Big5 to UTF-8, remove DOS newline in file, replace string big5 with UTF-8, and append UNIX newline to end of file.

Concatenate and Minify CSS via sed and tr command in Makefile.