.nav {
    margin-top: 10px;
    overflow: hidden;
    border-bottom: 3px solid #eee;
}
.hasSubNav, .noSubNav {
    float: left;
    height: 43px;
}
.nav_box {
    height: 23px;
    font-size: 18px;
    padding: 13px;
    margin-right: 10px;
    color: #55bbee;
}

.withSub {
    cursor: pointer;
}

.nav_box a {
    color: #55bbee;
    text-decoration: none;
}

.nav_box a:hover {
    text-decoration: underline;
}

.subnav {
    position: absolute;
    list-style: none;
    padding: 0;
    margin: 0;
    width: 150px;
    margin-top: -2px;
    background-color: #ffffff;
    border: 3px solid #99ccff;
    display: none;
}

.subnav li {
    padding: 3px 10px;
    border-top: 1px solid #99ccff;
}

.subnav li:first-child {
    border-top: 0;
}

.subnav li a, .subnav li a:visited {
    color: #777777;
    font-weight: 700;
    text-decoration: none;
}

.subnav li a:hover {
    color: #55bbee;
}