horizontal submenu

I need help on centering my submenu horizontal that is 100% width of the site. I am wanting it to look like my menu bar.

Here is a simple of what I am looking for-

http://www.martinauer.at

The website is theozarksconnection.com/DEV

http://theozarksconnection.com/DEV

Site Navigation
---------------------------------------------------------------------------------------------------- */

.genesis-nav-menu {
	clear: both;
	color: #fff;
	font-family: Lato, sans-serif;
	font-size: 14px;
	font-weight: 400;
	letter-spacing: 1px;
	line-height: 1.5;
	width: 100%;
}

.genesis-nav-menu .menu-item {
	display: inline-block;
	text-align: left;
}

.genesis-nav-menu a {
	border: none;
	color: #000;
	display: block;
	padding: 10px 10px;
	position: relative;

}

.genesis-nav-menu a:hover,
.genesis-nav-menu .current-menu-item > a {
	color: #4292E5;
	font-weight: 900;

}

.genesis-nav-menu .sub-menu .current-menu-item > a,
.genesis-nav-menu .sub-menu .current-menu-item > a:hover {
	color: #4292E5;

}

.genesis-nav-menu > .menu-item > a {
	text-transform: uppercase;
}

.genesis-nav-menu .sub-menu {
	left: -9999px;
	opacity: 0;
	position: absolute;
	-webkit-transition: opacity .2s ease-in-out;
	-moz-transition:    opacity .2s ease-in-out;
	-ms-transition:     opacity .2s ease-in-out;
	-o-transition:      opacity .2s ease-in-out;
	transition:         opacity .2s ease-in-out;
	width: 100%;
	z-index: 99;

}

.genesis-nav-menu .sub-menu a {
	background-color: #000;
	color: #fff;
	font-size: 14px;
	position: static;
	width: 100%;
	display: inline-block;
	text-align: left;
    	left:0;
    	right:0;

}

.genesis-nav-menu .sub-menu a:hover {
	background-color: #161616;
}

.genesis-nav-menu .sub-menu .sub-menu {
	display: inline-block;
	width: 100%;
}

.genesis-nav-menu .menu-item:hover {
	position: static;
}

.genesis-nav-menu .menu-item:hover > .sub-menu {
	left: auto;
	opacity: 1;
	width: 100%;
}

.genesis-nav-menu > .first > a {
	padding-left: 0;
}

.genesis-nav-menu > .last > a {
	padding-right: 0;
}

.genesis-nav-menu > .right {
	display: inline-block;
	float: right;
	list-style-type: none;
	padding: 280px 0;
	text-transform: uppercase;
}

.genesis-nav-menu > .right > a {
	display: inline;
	padding: 0;
}

.genesis-nav-menu > .rss > a {
	margin-left: 48px;
}

.genesis-nav-menu > .search {
	padding: 14px 0 0;
}

/* Site Header Navigation
--------------------------------------------- */

.site-header .sub-menu {
	border-top: 0px solid #39342c;
}

.site-header .sub-menu .sub-menu {
	margin-top: 0px;
}

/* Primary Navigation
--------------------------------------------- */

.nav-primary {
	background-color: #39342c;
}

.nav-primary .sub-menu a:hover {
	background-color: #39342c;
	color: #fff;
}