@charset "utf-8";

ul.nav{margin:0;
padding:0;
list-style:none;
}
ul.nav li{float:left;
display:block;
height:40px;
width:160px;
text-indent:-9999em;
}
ul.nav li a{display:block;
}
li.n1 a{background:url(../img/base/menu.jpg) no-repeat 0 0;
width:160px;
height:40px;
}
li.n1 a:hover{background:url(../img/base/menu.jpg) no-repeat 0 -40px;
}

li.n2 a{background:url(../img/base/menu.jpg) no-repeat -160px 0;
width:160px;
height:40px;
}
li.n2 a:hover{background:url(../img/base/menu.jpg) no-repeat -160px -40px;
}

li.n3 a{background:url(../img/base/menu.jpg) no-repeat -320px 0;
width:160px;
height:40px;
}
li.n3 a:hover{background:url(../img/base/menu.jpg) no-repeat -320px -40px;
}

li.n4 a{background:url(../img/base/menu.jpg) no-repeat -480px 0;
width:160px;
height:40px;
}
li.n4 a:hover{background:url(../img/base/menu.jpg) no-repeat -480px -40px;
}

li.n5 a{background:url(../img/base/menu.jpg) no-repeat -640px 0;
width:160px;
height:40px;
}
li.n5 a:hover{background:url(../img/base/menu.jpg) no-repeat -640px -40px;
}