# XHTML Transitional / XHTML Strict

**URL:** <https://forum.kirupa.com/t/xhtml-transitional-xhtml-strict/52836>\
**Category:** web dev\
**Created:** [May 27, 2004, 9:30pm UTC](https://forum.kirupa.com/t/xhtml-transitional-xhtml-strict/52836 "2004-05-27T21:30:33Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![wyclef](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@wyclef](https://forum.kirupa.com/u/wyclef)\
**Post date:** [May 27, 2004, 9:30pm UTC](https://forum.kirupa.com/t/xhtml-transitional-xhtml-strict/52836/1 "2004-05-27T21:30:33Z")

</div>

Can the following rounded corner example be created to be XHTML Strict???

[http://www.vertexwerks.com/tests/sidebox/](http://www.vertexwerks.com/tests/sidebox/)