FONT-FAMILY
This is the font itself, such as Arial, Times New Roman, or Verdana. Unfortunately, you cannot just use any font you like. The font must be one that all computers have installed as standard, otherwise it will not be displayed and a standard font will be used instead. This can really affect your overall design, so it is always best to use one of the fonts which are considered ‘web safe’. Click here  for a list and examples of web safe fonts and their families.