overflow

<xs:attribute name="overflow">
  <xs:simpleType>
    <xs:restriction base="xs:token">
      <xs:enumeration value="visible"/>
      <xs:enumeration value="hidden"/>
      <xs:enumeration value="scroll"/>
      <xs:enumeration value="auto"/>
      <xs:enumeration value="inherit"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>