#topMenu {
    list-style-type: none;
    height: 100px;
    margin: 0 auto;
    background-color: #fff;
    width: 980px;
    min-width: 980px;
    font-family: Tahoma;
    font-size: 15px;
    color: #445566;
    border: 1px solid #f00;
}

#topMenu ul {
    list-style-type: none;
    margin-top: 40px;
}

#topMenu li {
    display: inline-block;
    padding-right: 15px;
    padding-left: 15px;
    border-right: 1px solid #445566;
    text-decoration: underline;
}

#topMenu li:last-child {
    border-right: none;
}

#topMenu li:last-child:after {
    padding-left: 50px;
    content: '';
    height: 70px;
    vertical-align: middle;
    border-right: 1px solid red;
}