CSS validation of http://d-theme.com/blue_zinfandel produces the following errors at both levels 2.1 and 3.
URI : http://d-theme.com/sites/all/themes/blue_zinfandel/style.css?n
350 #searchdiv Value Error : padding Parse Error 0px
418 .commenttext Property -moz-border-radius-bottomleft doesn't exist : 10px
419 .commenttext Property -moz-border-radius-bottomright doesn't exist : 10px
420 .commenttext Property -webkit-border-radius doesn't exist : 10px