W3C Compliance: This skin pack has passed the W3C compliance check with DNN 05.04.02. A small CSS change is needed for CSS W3C compliance, instructions included. Version: This skin pack is for DNN 5.x only. Skins: Built in XHTML, this W3C Compliant pack comes in 8 great colours and with 2 headers option. Each one has a fixed (800px), a medium (1000px) and a full width version. Containers: This pack contains 36 Mix & Match containers which you can use in any of the skins in this pack.