Board Thread:Support Requests - Getting Technical/@comment-24268382-20150808022921

I would like to know how to make this template http://onceuponatimeabc.wikia.com/wiki/Template:PortalOmni have curved edges, so that http://onceuponatimeabc.wikia.com/wiki/Portal:Main_Characters these will have round edges. I have no clue about coding so full help is required x) 