Font attributes. The font-family should list three families:

font-family: monospace, "Lucida Grande", sans-serif;
font-kerning: auto;
font-optical-sizing: auto;
font-palette: normal;
font-size: 16px;
font-size-adjust: none;
font-stretch: 100%;
font-style: normal;
font-synthesis-small-caps: auto;
font-synthesis-style: auto;
font-synthesis-weight: auto;
font-variant: normal;
font-variant-alternates: normal;
font-variant-caps: normal;
font-variant-east-asian: normal;
font-variant-ligatures: normal;
font-variant-numeric: normal;
font-variant-position: normal;
font-weight: 400;