tooltip not working

I have created a tooltip here using an image as an anchor. The tooltip shows up perfectly in the shortcode preview but it doesnt work on my page. I have tried to view it with different browsers

this is my url https://bit.ly/IqV4jk

this is the code

[gn_tooltip style="tipsy" shadow="yes" rounded="yes" title="VERIFICADO" content="Este usuario ha sido verificado por nuestro staff"]<img class="alignnone" style="margin-left: 5px; margin-right: 5px;" alt=“LISTA XXX” src="https://www.listaxxx.com/icons/1facebook.png" width="32" height="32" />[/gn_tooltip]

Thanks in advace for your help

https://www.ads-software.com/plugins/shortcodes-ultimate/