How do I remove  from the beginning of a file?

Question

I have a CSS file that looks fine when I open it using gedit, but when it\'s read by PHP (to merge all the CSS files into one), this CSS has the following characters prepend

Answer 1

grep -rl $'\xEF\xBB\xBF' * | xargs vim -e -c 'argdo set fileencoding=utf-8|set encoding=utf-8| set nobomb| wq'