#nav_bar {
    font-family: sans-serif;
    margin: 0 auto;
    width: 500px;
    height: 31px;
    padding: 0;
    padding-top: 64px;
}

#nav_bar ul {
    height: 31px;
    padding: 0;
    padding-left: 6px;
}

#nav_bar ul li {
    display: inline-block;
    margin: 0;
    padding: 0 0 0 25px;
    list-style: none;
}

#nav_bar ul li div {
    display: inline-block;
    padding: 0 25px 0 0;
    height: 21px;
}

#nav_bar ul li a {
    display: inline-block;
    margin: 0;
    padding: 3px 4px 0 3px;
    height: 18px;
    font-size: 17px;
    text-decoration: none;
    color: #008066;
}

#nav_bar ul li.active {
    background: url(../image/nav_left.png) left bottom no-repeat;
}

#nav_bar ul li.active div {
    background: url(../image/nav_right.png) right bottom no-repeat;
}

#nav_bar ul li.active a {
    border-top: 1px solid #008066;
}