width

<xs:attribute name="width">
  <xs:annotation>
    <xs:documentation>Where the media are displayed, indicates the display width</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:token">
      <xs:pattern value="[\-+]?\d+(\.\d+)?(%|cm|mm|in|pt|pc|px|em|ex|gd|rem|vw|vh|vm)"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>