my website is short quotes for whatsapp and i am using css and i encountered a problem the code is
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
line to the top of my html file, my css rules disappear in firefox. Also i can’t see them with firebug.
any idea what is the problem.