CSS Custom Property--now-card-header_heading--primary--font-familySCSS Variable$now-card-header_heading--primary--font-familyTheme Behavior PathcardHeader.heading.primary.fontFamilyFallbacksnow-display-type--primary--font-family > now-display-type--font-family > now-font-familyDefault Value'Source Sans Pro', Arial, sans-serifData Typefont-family