CSS font-family, e.g., 'Arial', 'Helvetica Neue, Arial, sans-serif', 'Times, serif'
CSS font-size (e.g., '10pt', '12px'). For backwards compatibility with 3.0.9, plain numbers are assumed to be specified in 'pt'.
italic as inspired by CSS font-style.
italic
bold or a number (e.g., 900) as inspired by CSS font-weight.
bold
CSS font-family, e.g., 'Arial', 'Helvetica Neue, Arial, sans-serif', 'Times, serif'