css-font-size

<xs:simpleType name="css-font-size">
  <xs:annotation>
    <xs:documentation>The css-font-size type includes the CSS font sizes used as an alternative to a numeric point size.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:token">
    <xs:enumeration value="xx-small"/>
    <xs:enumeration value="x-small"/>
    <xs:enumeration value="small"/>
    <xs:enumeration value="medium"/>
    <xs:enumeration value="large"/>
    <xs:enumeration value="x-large"/>
    <xs:enumeration value="xx-large"/>
  </xs:restriction>
</xs:simpleType>