[MS-CSS21E]: Internet Explorer Extensions to Cascading Style Sheets (CSS) 2.1 and DOM Level 2 Style Specifications https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 Describes additional attributes, methods, and properties that extend CSS 2.1 and DOM Level 2 Style support in Internet Explorer. No Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E].pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-CSS21E-20180828 No Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-180323.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-180323.docx">DOCX</a></li></ul> Fri, 23 Mar 2018 MS-CSS21E-20180323 No Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-180222.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-180222.docx">DOCX</a></li></ul> Thu, 22 Feb 2018 MS-CSS21E-20180222 No Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-171003.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-171003.docx">DOCX</a></li></ul> Tue, 03 Oct 2017 MS-CSS21E-20171003 No Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-170314.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-170314.docx">DOCX</a></li></ul> Tue, 14 Mar 2017 MS-CSS21E-20170314 No Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-161102.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21E/[MS-CSS21E]-161102.docx">DOCX</a></li></ul> Wed, 02 Nov 2016 MS-CSS21E-20161102 Minor Update for [MS-CSS21E] (Version 5.4) https://msdn.microsoft.com/en-us/library/410044a1-86ab-4fad-ad89-f8a72e646ad9 <b>Protocol Revision:</b> 5.4<br/> Tue, 19 Jul 2016 MS-CSS21E-20160719