.nav ul {list-style:none;margin:0;padding:0;}
.nav li {float:left;width:25%;margin:0;padding:0;text-align:center;}
.nav li a {display:block;padding:5px 10px;height:100%;color:#555;font-weight:bold;text-decoration:none;border-right:1px solid #999;border-left:1px solid #999;}
.nav li a {background:url(../images/bg2.jpg) repeat 0 0;}
.nav li a:hover, li a:focus, li a:active {color:#555;font-weight:bold;background-position:-150px 0;}
/*
.nav li a {display:block;padding:5px 10px;height:100%;color:#77AABB;text-decoration:none;border-right:1px solid #999;border-left:1px solid #999;}
.nav li a {background:url(../images/bg2.jpg) repeat 0 0;}
.nav li a:hover, li a:focus, li a:active {color:#BBDDEE;background-position:-150px 0;}
*/
#nav a {background:url(../images/nav_bg.jpg) repeat -20px 35px;}