[MS-CSS21]: Internet Explorer Cascading Stylesheets (CSS) 2.1 Standards Support Document https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e Describes variations from and clarifications to the CSS 2.1 specification, published September 2009. Also includes variations from CSS 1 (where not directly superseded by CSS 2.1) and appendix of W3C test suite failures for CSS. No Update for [MS-CSS21] (Version 6.3) https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e <b>Protocol Revision:</b> 6.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21].pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-CSS21-20180828 No Update for [MS-CSS21] (Version 6.3) https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e <b>Protocol Revision:</b> 6.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-180323.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-180323.docx">DOCX</a></li></ul> Fri, 23 Mar 2018 MS-CSS21-20180323 No Update for [MS-CSS21] (Version 6.3) https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e <b>Protocol Revision:</b> 6.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-180222.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-180222.docx">DOCX</a></li></ul> Thu, 22 Feb 2018 MS-CSS21-20180222 No Update for [MS-CSS21] (Version 6.3) https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e <b>Protocol Revision:</b> 6.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-171003.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-171003.docx">DOCX</a></li></ul> Tue, 03 Oct 2017 MS-CSS21-20171003 No Update for [MS-CSS21] (Version 6.3) https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e <b>Protocol Revision:</b> 6.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-170314.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-170314.docx">DOCX</a></li></ul> Tue, 14 Mar 2017 MS-CSS21-20170314 No Update for [MS-CSS21] (Version 6.3) https://msdn.microsoft.com/en-us/library/dbb3fd1b-4d0c-4899-9e87-587d4f232a9e <b>Protocol Revision:</b> 6.3<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-161102.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/web/MS-CSS21/[MS-CSS21]-161102.docx">DOCX</a></li></ul> Wed, 02 Nov 2016 MS-CSS21-20161102