ul.nav {
    margin:0;
    padding:0;
    list-style:none;
    height:36px; line-height:36px;
    background:#0d7963; /* you can change the backgorund color here. */
    font-family:Arial, Helvetica, sans-serif;
    font-size:13px;
}
ul.nav li {
    border-right:1px solid #189b80; /* you can change the border color matching to your background color */
    float:left;
}
ul.nav a {
    display:block;
    padding:0 28px;
    color:#ccece6;
    text-decoration:none;
}
ul.nav a:hover, 
#signout:hover,
ul.nav li.current a {
    cursor:pointer;
    background:#086754;
} 

#signout {
    padding:0 10px 0 10px;
    list-style:none;
    height:36px; line-height:36px;
    background:#0d7963; /* you can change the backgorund color here. */
    font-family:Arial, Helvetica, sans-serif;
    font-size:13px;
}