#primary-menu li:last-child a {
    background-color: #0d5c9e !important;
    color: #ffffff !important;
    padding: 8px 16px !important;
    border-radius: 4px !important;
    font-weight: bold !important;
}

#primary-menu li:last-child a:hover {
    background-color: #09406f !important;
}