how to remove the gap between nav bar and banner also how can i put nav bar over banner like a transparent type navbar

http://gxacademy.4rumer.com/

help this is my forum i want to stick the navbar and banner
also lately i ll be wanting it over the banner so i need codes for both f them

here css to put the navbar over the banner but idk what you mean by stick the navbar and banner

Code:

#page-header .navbar {
    margin: 0px auto !important;
    position: absolute!important;
    width: 93.5%!important;
    top: 120px!important;
    background: none repeat scroll 0% 0% transparent!important;
    border: medium none!important;
}

ul.navlinks {
    border-bottom: none!important;
}