i need sticky menu active at all times

dpcustoms.com/NEW/

what css would i need to edit; so, the ribbon extends from left to right at all times ...

Dear treybraid.
Thanks you for using product our.
You find to: ..modules/mod_jux_megamenu/assets/css/style.css and add line code below:
#rt-top .rt-container {
width: 100%;
}

#rt-top .rt-container .rt-block {
padding-right: 0;
padding-left: 0;
margin-right: 0;
margin-left: 0;
}
Please check it and feedback to me again.
Best Regards,
Huyen Tran