nav {
    color: rgb(56, 64, 68);
    display: block;
    font-family: Arial, Verdana, sans-serif;
    font-size: 12px;
    height: 71px;
    margin-top: 5px;
    padding-left: 90px;
    position: relative;
    z-index: 100;
}

nav #nav_menu {
    float: left;
    margin:10px 0 0 27px;
}

/* menu icons */
#nav_menu a {
    display:inline-block;
    padding-top:0;
    text-decoration:none;
    color:#b4b4b4;
    margin:0 10px;
    width:auto;
    text-align:center;
    white-space:nowrap;
    text-overflow:ellipsis;
    overflow:hidden;
    cursor:pointer;
}

#nav_menu a:first-child {
    margin-left:-30px;
}

#nav_menu a:hover {
    color:#929a9e;
}

#nav_menu a span{
    display:block;
    width:40px;
    height:35px;
    margin:0 auto;
}

#nav_menu a#welkom_link span{
    background-position:0 -1px;
}

#nav_menu a#welkom_link:hover span{
    background-position:-40px -1px;
}

#nav_menu a#welkom_link.selected span{
    background-position:-80px -1px;
}