No Menu shown on small Devices

Hello Huyen,

on normal screen my menue looks very nice. But on small devices i can't see any menue.
Link:http://www.principality-of-sealand.ch/joomla.

Thanks for checking.
Michael

Hi Michael,
Thank you for using our product,
I'm sorry, I can't access your site with your link:
prntscr.com/er0tlc
Please check your site again.

Hello again,
when the link doesn't work, try this link please.
www.principality-of-sealand.ch/joomla/index.php/en/
It works very well for me.

Hi Michael,

I'm sorry because You use 2 module ( Css3 megamenu) on one page.
We note this problem on our document. prntscr.com/er2cb2
Thank you so much for empathy. You can use JUX mega menu and JUX CSS3 Mega menu on one page.