K2 is fixed width with two columns, the content on the left and a sidebar on the right.

This K2 is 6.x-1.x-dev from 2008-Jun-26, a 31.4 KB download.

The theme is marked as XHTML 1.0 Transitional and might validate as XHTML 1.0 Transitional. We are looking for themes designed for modern standards of at least XHTML 1.0 Strict.

The W3C XHTML 1.0 Strict test reported the following error. TV says the same element is wrong. The link needs a division around it.
Line 47, Column 54: document type does not allow element "a" here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div", "pre", "address", "fieldset", "ins", "del" start-tag .

<a class="skiplink" href="#startcontent" accesskey="2">Skip to content</a>

The W3C CSS 2.1 test reported the following errors in core.css.
194 ul.k2menu li a Property -moz-border-radius-topleft doesn't exist : 3px
195 ul.k2menu li a Property -moz-border-radius-topright doesn't exist : 3px
196 ul.k2menu li a Property -webkit-border-top-left-radius doesn't exist : 3px
197 ul.k2menu li a Property -webkit-border-top-right-radius doesn't exist : 3px
1269 #pagehandle Value Error : cursor col-resize is not a cursor value : col-resize
1324 #trimmerhandle Value Error : cursor col-resize is not a cursor value : col-resize

The W3C CSS 3 test reported the following errors in core.css.
36 blockquote:before, blockquote:after, q:before, q:after Value Error : content none is not a content value : none
194 ul.k2menu li a Property -moz-border-radius-topleft doesn't exist : 3px
195 ul.k2menu li a Property -moz-border-radius-topright doesn't exist : 3px
196 ul.k2menu li a Property -webkit-border-top-left-radius doesn't exist : 3px
197 ul.k2menu li a Property -webkit-border-top-right-radius doesn't exist : 3px

The TV WAI AA test reported an additional problem with the following line a heading that is not nested properly.
<h4>User login</h4>

Cynthia Says it is WAI as far as a computer can check.

Wave did not detected accessibility errors.