Well, do you know your passcode? It should be the only reason for being disabled. Also, maybe you aren't logged in? That could be why...
Span and div are both generic HTML elements that group together related parts of a web page. However, they serve different functions. A div element is used for block-level organization and styling of page elements, whereas a span element is used for inline organization and styling.
Unsure that if your visiting a site, that it is a secure website or don't download anything unless you know for sure that it is safe