Always open the menu on mobile devices

How to set Jux Mega Menu to mobile devices has always been open without clicking. I do not want to see the three horizontal lines, just open the menu.
Like here: stackoverflow.com/questions/19083172/boo...pand-on-small-screen
Only always the extended first level without sublevels.
Please help me.

Hello Marcin,
Thanks for contacting us and choosing our product!
Plese send me your account site(Joomla site). I will check it for you!
Thanks!

On mobile devices the menu now looks like this:
www.marmedia.net.pl/this_is.png
I want without clicking the mouse looked like this:
www.marmedia.net.pl/it_should_be.png

Hello Marcin,
About your problem,
Please go to back-end -> modules-> JUX Mega Menu module -> tab advanced -> config custom css
add css
@media screen and (max-width: 768px){
#megamenucss #js-mainnav.megamenu .js-megamenu{
display: block!important;
}
}
Hope this help!
If you really like our product please write a review and vote 100 points for us at:

extensions.joomla.org/extension/structur...stems/jux-mega-menu/

It will help us very much to develop our product! Many thanks!

Almost it works well. Only the sub-menu disappears.

Hello Marcin,
Your problem has been solved?
Thanks!

Unfortunately not.
After applying this solution disappears submenu on mobile devices.

Hello,
Please url site your. I will check it for you.
Thanks!

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Hello
Please go to modules/mod_jux_megamenu/tmpl/default.php
remove line 58
//$(".megamenucss<?php echo $module->id;?> #CSS3-megaMenuToggle").click(function () {
and line 73
//});
Thanks!