Board Thread:Support Requests - Getting Technical/@comment-27105226-20160217200352/@comment-24473195-20160217211513

It will really depend on how complicated your template is. Generally speaking, designing templates to be portable is the way to go. But in some cases having two versions might be the lesser "evil".

You should be aware that no matter what Wikia's sanitizer will do its best to make the desktop template be somewhat presentable in a mobile device.