Mobile display mini calendar

Hello

I have a problem with display on mobile phone, I don’t have the mini-calendar in widget section but I have all events are open.

Look the website if you want (good link) : http://www.guidetouristique-lecastellet.fr/gtcastellet/

Best regards and thanks again for your reply

Chris

http://ww.wp.xz.cn/extend/plugins/my-calendar/