if      (fontFamily  == "Droid Sans")       fontFamilyClass = "droid";
    else if (fontFamily  == "Vollkorn")         fontFamilyClass = "vollkorn";
    else if (fontFamily  == "Open Sans")        fontFamilyClass = "open_sans";
    else if (fontFamily  == "Roboto")           fontFamilyClass = "roboto";
    else if (fontFamily  == "Lato")             fontFamilyClass = "lato";