#header-nav {margin:35px 0px 0px 0px;}
#header-nav ul {height:31px;display: block;float: right;}
#header-nav li { list-style-type: none; display: inline;}
#header-nav a { outline: none;margin:10px;float: left;display: block;background: url("../img/layout/header_nav.png");height: 30px;text-indent: -9999px;}
#header-nav a#home {width: 84px; background-position: 0px top;}
#header-nav a#contact {width: 118px; background-position: -94px top;}
#header-nav a#how {width: 158px; background-position: -223px top;}
#header-nav a#account {width: 140px; background-position: -392px top;}

#header-nav a:hover#home, #header-nav a.active#home {width: 84px; background-position: 0px -31px;}
#header-nav a:hover#contact, #header-nav a.active#contact {width: 118px; background-position: -94px -31px;}
#header-nav a:hover#how, #header-nav a.active#how {width: 158px; background-position: -223px -31px;}
#header-nav a:hover#account, #header-nav a.active#account {width: 140px; background-position: -392px -31px;}

#header-nav a:active#home {width: 84px; background-position: 0px -62px;}
#header-nav a:active#contact {width: 118px; background-position: -94px -62px;}
#header-nav a:active#how {width: 158px; background-position: -223px -62px;}
#header-nav a:active#account {width: 140px; background-position: -392px -62px;}