Board Thread:Support Requests - Getting Technical/@comment-25206135-20160818053234

What does the "formatted blank cell"or"unformatted empty cells" mean in Wikitext/CSS ?

Last night,I created a new wiki called Great firewall wiki,when I opened admin of CSS,I knew it would be very difficult for me to edit,I'm trying to find a page about How to Use your admin of CSS to build a wonderful wiki.Then,a big question come through,it was "what does the 'formatted blank cell' or 'unformatted empty celled'mean?I don't know what it means.

And,I want to make a User link to my []（And my wiki main page didn't exist) admin of Navigation,I don't know what to do this,I would like this wikia staff to help me to solve this. 