Right Justify Top Menu

Ugh. Now I can’t get it to align left again when I undo. Here’s my code. Anyone help?

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

#nav {
	background: #f5f5f5;
	border: 1px solid #ddd;
	box-sizing: border-box;
	clear: both;
	color: #666;
	font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
	font-size: 13px;
	margin: 0 auto;
	overflow: hidden;
	text-transform: uppercase;
	width: 100%;
}

#nav .wrap {
	border: 1px solid #fff;
	box-sizing: border-box;
	overflow: hidden;
	width: 100%;
}

#nav ul {
text-align: left;
float: left;
	list-style: none;
	margin: 0;
	padding: 0;
	width: 100%;
}

#nav ul ul {
	border: none;
}

#nav li {
text-align: left;
	float: left;
	list-style: none;
}

#nav li a {
	color: #666;
	display: block;
	margin: 0;
	padding: 7px 10px 6px;
	position: relative;
	text-decoration: none;
}

#nav li a:active,
#nav li a:hover,
#nav .current_page_item a,
#nav .current-cat a,
#nav .current-menu-item a {
	background: #444;
	color: #fff;
}

#nav li a .sf-sub-indicator {
	display: block;
	height: 10px;
	overflow: hidden;
	position: absolute;
	right: 5px;
	text-indent: -9999px;
	top: 14px;
	width: 10px;
}

#nav li li a,
#nav li li a:link,
#nav li li a:visited {
	background: #444;
	border-right: 1px solid #fff;
	border-top: 1px solid #fff;
	color: #fff;
	margin: 0;
	padding: 7px 10px 6px;
	position: absolute;
	text-transform: none;
	width: 148px;
}

#nav li li a:active,
#nav li li a:hover {
	background: #444;
	color: #fff;
}

#nav li li a .sf-sub-indicator {
	top: 10px;
}

#nav li ul {
	height: auto;
	left: -999em;
	margin: 0;
	padding: 0;
	position: absolute;
	width: 170px;
	z-index: 9999;
}

#nav li ul a {
	width: 140px;
}

#nav li ul ul {
	margin: -34px 0 0 169px;
}

#nav li:hover ul ul,
#nav li:hover ul ul ul,
#nav li.sfHover ul ul,
#nav li.sfHover ul ul ul {
	left: -999em;
}

#nav li:hover ul,
#nav li li:hover ul,
#nav li li li:hover ul,
#nav li.sfHover ul,
#nav li li.sfHover ul,
#nav li li li.sfHover ul {
	left: auto;
}

#nav li:hover, #nav li.sfHover {
	position: static;
}

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

#nav li.right {
	float: left;
	margin: 0;
	padding: 7px 10px 6px;
}

#nav li.right a {
	background: none;
	border: none;
	color: #666;
	display: inline;
	font-weight: normal;
	text-decoration: none;
}

#nav li.right a:hover {
	background: none;
	color: #666;
	text-decoration: underline;
}

#nav li.rss a {
	background: url(images/rss.png) no-repeat left center;
	margin: 0 0 0 10px;
	padding: 3px 0 3px 16px;
}

#nav li.rss a:hover {
	background: url(images/rss.png) no-repeat left center;
}

#nav li.date {
	color: #666;
}

#nav li.search {
	padding: 0 5px 0;
}

#nav li.twitter a {
	background: url(images/twitter-nav.png) no-repeat left center;
	padding: 3px 0 2px 20px;
}

#nav li.twitter a:hover {
	background: url(images/twitter-nav.png) no-repeat left center;